Home / 687,204,017.70-1,029,294,372.15-610,613,528.10

Finding the Fourth Proportional to 687,204,017.70, 1,029,294,372.15 and 610,613,528.10

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Solution

The fourth proportional to 687,204,017.70, 1,029,294,372.15 and 610,613,528.10 is: 914,577,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,204,017.70 : 1,029,294,372.15 = 610,613,528.10 : x
  2. Step 2: Convert to fraction form
    687,204,017.70/1,029,294,372.15 = 610,613,528.10/x
  3. Step 3: Cross multiply
    687,204,017.70x = 1,029,294,372.15 × 610,613,528.10
  4. Step 4: Simplify right side
    687,204,017.70x = 628,501,068,031,985,920
  5. Step 5: Solve for x
    x = 628,501,068,031,985,920/687,204,017.70
  6. Step 6: Final answer
    x = 914,577,115.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.