Home / 579,316,002.40-869,981,773.20-307,218,210.40

Finding the Fourth Proportional to 579,316,002.40, 869,981,773.20 and 307,218,210.40

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Solution

The fourth proportional to 579,316,002.40, 869,981,773.20 and 307,218,210.40 is: 461,361,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,316,002.40 : 869,981,773.20 = 307,218,210.40 : x
  2. Step 2: Convert to fraction form
    579,316,002.40/869,981,773.20 = 307,218,210.40/x
  3. Step 3: Cross multiply
    579,316,002.40x = 869,981,773.20 × 307,218,210.40
  4. Step 4: Simplify right side
    579,316,002.40x = 267,274,243,443,122,688
  5. Step 5: Solve for x
    x = 267,274,243,443,122,688/579,316,002.40
  6. Step 6: Final answer
    x = 461,361,747.88

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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.