Home / 629,859,627.60-944,789,441.40-553,332,123.60

Finding the Fourth Proportional to 629,859,627.60, 944,789,441.40 and 553,332,123.60

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Solution

The fourth proportional to 629,859,627.60, 944,789,441.40 and 553,332,123.60 is: 829,998,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,627.60 : 944,789,441.40 = 553,332,123.60 : x
  2. Step 2: Convert to fraction form
    629,859,627.60/944,789,441.40 = 553,332,123.60/x
  3. Step 3: Cross multiply
    629,859,627.60x = 944,789,441.40 × 553,332,123.60
  4. Step 4: Simplify right side
    629,859,627.60x = 522,782,347,964,719,744
  5. Step 5: Solve for x
    x = 522,782,347,964,719,744/629,859,627.60
  6. Step 6: Final answer
    x = 829,998,185.40

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Half scale
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Double scale
Find fourth proportional to 629,859,628.60, 944,789,442.90 and 553,332,124.60
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.