Home / 721,206,414.66-995,255,085.84-403,666,566.24

Finding the Fourth Proportional to 721,206,414.66, 995,255,085.84 and 403,666,566.24

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Solution

The fourth proportional to 721,206,414.66, 995,255,085.84 and 403,666,566.24 is: 557,054,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,206,414.66 : 995,255,085.84 = 403,666,566.24 : x
  2. Step 2: Convert to fraction form
    721,206,414.66/995,255,085.84 = 403,666,566.24/x
  3. Step 3: Cross multiply
    721,206,414.66x = 995,255,085.84 × 403,666,566.24
  4. Step 4: Simplify right side
    721,206,414.66x = 401,751,203,033,929,280
  5. Step 5: Solve for x
    x = 401,751,203,033,929,280/721,206,414.66
  6. Step 6: Final answer
    x = 557,054,395.06

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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.