Home / 650,916,615.60-976,374,923.40-392,423,713.20

Finding the Fourth Proportional to 650,916,615.60, 976,374,923.40 and 392,423,713.20

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Solution

The fourth proportional to 650,916,615.60, 976,374,923.40 and 392,423,713.20 is: 588,635,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,916,615.60 : 976,374,923.40 = 392,423,713.20 : x
  2. Step 2: Convert to fraction form
    650,916,615.60/976,374,923.40 = 392,423,713.20/x
  3. Step 3: Cross multiply
    650,916,615.60x = 976,374,923.40 × 392,423,713.20
  4. Step 4: Simplify right side
    650,916,615.60x = 383,152,672,915,993,536
  5. Step 5: Solve for x
    x = 383,152,672,915,993,536/650,916,615.60
  6. Step 6: Final answer
    x = 588,635,569.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.