Home / 622,931,730.10-934,397,595.15-521,650,885.30

Finding the Fourth Proportional to 622,931,730.10, 934,397,595.15 and 521,650,885.30

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Solution

The fourth proportional to 622,931,730.10, 934,397,595.15 and 521,650,885.30 is: 782,476,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,931,730.10 : 934,397,595.15 = 521,650,885.30 : x
  2. Step 2: Convert to fraction form
    622,931,730.10/934,397,595.15 = 521,650,885.30/x
  3. Step 3: Cross multiply
    622,931,730.10x = 934,397,595.15 × 521,650,885.30
  4. Step 4: Simplify right side
    622,931,730.10x = 487,429,332,732,188,480
  5. Step 5: Solve for x
    x = 487,429,332,732,188,480/622,931,730.10
  6. Step 6: Final answer
    x = 782,476,327.95

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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.