Home / 12,894,520,010.70-19,341,780,016.05-10,088,889,444.30

Finding the Fourth Proportional to 12,894,520,010.70, 19,341,780,016.05 and 10,088,889,444.30

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Solution

The fourth proportional to 12,894,520,010.70, 19,341,780,016.05 and 10,088,889,444.30 is: 15,133,334,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894,520,010.70 : 19,341,780,016.05 = 10,088,889,444.30 : x
  2. Step 2: Convert to fraction form
    12,894,520,010.70/19,341,780,016.05 = 10,088,889,444.30/x
  3. Step 3: Cross multiply
    12,894,520,010.70x = 19,341,780,016.05 × 10,088,889,444.30
  4. Step 4: Simplify right side
    12,894,520,010.70x = 195,137,080,237,899,513,856
  5. Step 5: Solve for x
    x = 195,137,080,237,899,513,856/12,894,520,010.70
  6. Step 6: Final answer
    x = 15,133,334,166.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.