Home / 629,856,620.40-944,784,930.60-612,850,508.40

Finding the Fourth Proportional to 629,856,620.40, 944,784,930.60 and 612,850,508.40

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Solution

The fourth proportional to 629,856,620.40, 944,784,930.60 and 612,850,508.40 is: 919,275,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,620.40 : 944,784,930.60 = 612,850,508.40 : x
  2. Step 2: Convert to fraction form
    629,856,620.40/944,784,930.60 = 612,850,508.40/x
  3. Step 3: Cross multiply
    629,856,620.40x = 944,784,930.60 × 612,850,508.40
  4. Step 4: Simplify right side
    629,856,620.40x = 579,011,925,046,868,736
  5. Step 5: Solve for x
    x = 579,011,925,046,868,736/629,856,620.40
  6. Step 6: Final answer
    x = 919,275,762.60

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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.