Home / 721,360,711.32-995,371,579.56-403,804,452.48

Finding the Fourth Proportional to 721,360,711.32, 995,371,579.56 and 403,804,452.48

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Solution

The fourth proportional to 721,360,711.32, 995,371,579.56 and 403,804,452.48 is: 557,190,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,360,711.32 : 995,371,579.56 = 403,804,452.48 : x
  2. Step 2: Convert to fraction form
    721,360,711.32/995,371,579.56 = 403,804,452.48/x
  3. Step 3: Cross multiply
    721,360,711.32x = 995,371,579.56 × 403,804,452.48
  4. Step 4: Simplify right side
    721,360,711.32x = 401,935,475,698,378,560
  5. Step 5: Solve for x
    x = 401,935,475,698,378,560/721,360,711.32
  6. Step 6: Final answer
    x = 557,190,694.46

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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.