Home / 516,616,578.92-712,910,343.96-304,991,577.68

Finding the Fourth Proportional to 516,616,578.92, 712,910,343.96 and 304,991,577.68

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Solution

The fourth proportional to 516,616,578.92, 712,910,343.96 and 304,991,577.68 is: 420,876,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,616,578.92 : 712,910,343.96 = 304,991,577.68 : x
  2. Step 2: Convert to fraction form
    516,616,578.92/712,910,343.96 = 304,991,577.68/x
  3. Step 3: Cross multiply
    516,616,578.92x = 712,910,343.96 × 304,991,577.68
  4. Step 4: Simplify right side
    516,616,578.92x = 217,431,650,548,751,872
  5. Step 5: Solve for x
    x = 217,431,650,548,751,872/516,616,578.92
  6. Step 6: Final answer
    x = 420,876,254.11

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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.