Home / 710,002,938.50-979,799,276.61-396,737,881.46

Finding the Fourth Proportional to 710,002,938.50, 979,799,276.61 and 396,737,881.46

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Solution

The fourth proportional to 710,002,938.50, 979,799,276.61 and 396,737,881.46 is: 547,495,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,002,938.50 : 979,799,276.61 = 396,737,881.46 : x
  2. Step 2: Convert to fraction form
    710,002,938.50/979,799,276.61 = 396,737,881.46/x
  3. Step 3: Cross multiply
    710,002,938.50x = 979,799,276.61 × 396,737,881.46
  4. Step 4: Simplify right side
    710,002,938.50x = 388,723,489,258,291,904
  5. Step 5: Solve for x
    x = 388,723,489,258,291,904/710,002,938.50
  6. Step 6: Final answer
    x = 547,495,606.26

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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.