Home / 629,856,991.20-944,785,486.80-530,087,800.80

Finding the Fourth Proportional to 629,856,991.20, 944,785,486.80 and 530,087,800.80

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Solution

The fourth proportional to 629,856,991.20, 944,785,486.80 and 530,087,800.80 is: 795,131,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,991.20 : 944,785,486.80 = 530,087,800.80 : x
  2. Step 2: Convert to fraction form
    629,856,991.20/944,785,486.80 = 530,087,800.80/x
  3. Step 3: Cross multiply
    629,856,991.20x = 944,785,486.80 × 530,087,800.80
  4. Step 4: Simplify right side
    629,856,991.20x = 500,819,260,925,569,408
  5. Step 5: Solve for x
    x = 500,819,260,925,569,408/629,856,991.20
  6. Step 6: Final answer
    x = 795,131,701.20

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Similar ratio
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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.