Home / 629,856,502.40-944,784,753.60-515,065,246.40

Finding the Fourth Proportional to 629,856,502.40, 944,784,753.60 and 515,065,246.40

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Solution

The fourth proportional to 629,856,502.40, 944,784,753.60 and 515,065,246.40 is: 772,597,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,502.40 : 944,784,753.60 = 515,065,246.40 : x
  2. Step 2: Convert to fraction form
    629,856,502.40/944,784,753.60 = 515,065,246.40/x
  3. Step 3: Cross multiply
    629,856,502.40x = 944,784,753.60 × 515,065,246.40
  4. Step 4: Simplify right side
    629,856,502.40x = 486,625,791,907,947,264
  5. Step 5: Solve for x
    x = 486,625,791,907,947,264/629,856,502.40
  6. Step 6: Final answer
    x = 772,597,869.60

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Double scale
Find fourth proportional to 629,856,503.40, 944,784,755.10 and 515,065,247.40
Similar ratio
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1.5x scale

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.