Home / 667,443,434.23-920,987,280.19-365,949,404.92

Finding the Fourth Proportional to 667,443,434.23, 920,987,280.19 and 365,949,404.92

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Solution

The fourth proportional to 667,443,434.23, 920,987,280.19 and 365,949,404.92 is: 504,963,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,443,434.23 : 920,987,280.19 = 365,949,404.92 : x
  2. Step 2: Convert to fraction form
    667,443,434.23/920,987,280.19 = 365,949,404.92/x
  3. Step 3: Cross multiply
    667,443,434.23x = 920,987,280.19 × 365,949,404.92
  4. Step 4: Simplify right side
    667,443,434.23x = 337,034,747,124,419,840
  5. Step 5: Solve for x
    x = 337,034,747,124,419,840/667,443,434.23
  6. Step 6: Final answer
    x = 504,963,761.48

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1.5x scale

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.