Home / 38,150,602,996.96-52,646,869,888.14-21,003,285,088.74

Finding the Fourth Proportional to 38,150,602,996.96, 52,646,869,888.14 and 21,003,285,088.74

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Solution

The fourth proportional to 38,150,602,996.96, 52,646,869,888.14 and 21,003,285,088.74 is: 28,984,003,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150,602,996.96 : 52,646,869,888.14 = 21,003,285,088.74 : x
  2. Step 2: Convert to fraction form
    38,150,602,996.96/52,646,869,888.14 = 21,003,285,088.74/x
  3. Step 3: Cross multiply
    38,150,602,996.96x = 52,646,869,888.14 × 21,003,285,088.74
  4. Step 4: Simplify right side
    38,150,602,996.96x = 1,105,757,217,290,626,662,400
  5. Step 5: Solve for x
    x = 1,105,757,217,290,626,662,400/38,150,602,996.96
  6. Step 6: Final answer
    x = 28,984,003,670.37

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Half scale
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Double scale
Find fourth proportional to 38,150,602,997.96, 52,646,869,889.52 and 21,003,285,089.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.