Home / 14,618,220,529.78-20,173,169,903.25-7,935,221,621.62

Finding the Fourth Proportional to 14,618,220,529.78, 20,173,169,903.25 and 7,935,221,621.62

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Solution

The fourth proportional to 14,618,220,529.78, 20,173,169,903.25 and 7,935,221,621.62 is: 10,950,619,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,220,529.78 : 20,173,169,903.25 = 7,935,221,621.62 : x
  2. Step 2: Convert to fraction form
    14,618,220,529.78/20,173,169,903.25 = 7,935,221,621.62/x
  3. Step 3: Cross multiply
    14,618,220,529.78x = 20,173,169,903.25 × 7,935,221,621.62
  4. Step 4: Simplify right side
    14,618,220,529.78x = 160,078,573,992,883,257,344
  5. Step 5: Solve for x
    x = 160,078,573,992,883,257,344/14,618,220,529.78
  6. Step 6: Final answer
    x = 10,950,619,719.19

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Double scale
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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.