Home / 721,206,417.66-995,255,089.98-403,666,569.24

Finding the Fourth Proportional to 721,206,417.66, 995,255,089.98 and 403,666,569.24

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Solution

The fourth proportional to 721,206,417.66, 995,255,089.98 and 403,666,569.24 is: 557,054,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,206,417.66 : 995,255,089.98 = 403,666,569.24 : x
  2. Step 2: Convert to fraction form
    721,206,417.66/995,255,089.98 = 403,666,569.24/x
  3. Step 3: Cross multiply
    721,206,417.66x = 995,255,089.98 × 403,666,569.24
  4. Step 4: Simplify right side
    721,206,417.66x = 401,751,207,690,874,112
  5. Step 5: Solve for x
    x = 401,751,207,690,874,112/721,206,417.66
  6. Step 6: Final answer
    x = 557,054,399.20

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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.