Home / 574,862,765.10-862,294,147.65-315,944,709.90

Finding the Fourth Proportional to 574,862,765.10, 862,294,147.65 and 315,944,709.90

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Solution

The fourth proportional to 574,862,765.10, 862,294,147.65 and 315,944,709.90 is: 473,917,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,862,765.10 : 862,294,147.65 = 315,944,709.90 : x
  2. Step 2: Convert to fraction form
    574,862,765.10/862,294,147.65 = 315,944,709.90/x
  3. Step 3: Cross multiply
    574,862,765.10x = 862,294,147.65 × 315,944,709.90
  4. Step 4: Simplify right side
    574,862,765.10x = 272,437,274,327,746,976
  5. Step 5: Solve for x
    x = 272,437,274,327,746,976/574,862,765.10
  6. Step 6: Final answer
    x = 473,917,064.85

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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.