Home / 1,115,152,024.55-1,538,910,579.65-613,398,979.71

Finding the Fourth Proportional to 1,115,152,024.55, 1,538,910,579.65 and 613,398,979.71

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Solution

The fourth proportional to 1,115,152,024.55, 1,538,910,579.65 and 613,398,979.71 is: 846,491,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,152,024.55 : 1,538,910,579.65 = 613,398,979.71 : x
  2. Step 2: Convert to fraction form
    1,115,152,024.55/1,538,910,579.65 = 613,398,979.71/x
  3. Step 3: Cross multiply
    1,115,152,024.55x = 1,538,910,579.65 × 613,398,979.71
  4. Step 4: Simplify right side
    1,115,152,024.55x = 943,966,179,419,167,744
  5. Step 5: Solve for x
    x = 943,966,179,419,167,744/1,115,152,024.55
  6. Step 6: Final answer
    x = 846,491,024.22

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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.