Home / 622,931,702.10-934,397,553.15-521,650,857.30

Finding the Fourth Proportional to 622,931,702.10, 934,397,553.15 and 521,650,857.30

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Solution

The fourth proportional to 622,931,702.10, 934,397,553.15 and 521,650,857.30 is: 782,476,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,931,702.10 : 934,397,553.15 = 521,650,857.30 : x
  2. Step 2: Convert to fraction form
    622,931,702.10/934,397,553.15 = 521,650,857.30/x
  3. Step 3: Cross multiply
    622,931,702.10x = 934,397,553.15 × 521,650,857.30
  4. Step 4: Simplify right side
    622,931,702.10x = 487,429,284,659,719,808
  5. Step 5: Solve for x
    x = 487,429,284,659,719,808/622,931,702.10
  6. Step 6: Final answer
    x = 782,476,285.95

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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.