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Finding the Fourth Proportional to 649,653,609.70, 974,480,414.55 and 496,598,601.70

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Solution

The fourth proportional to 649,653,609.70, 974,480,414.55 and 496,598,601.70 is: 744,897,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,653,609.70 : 974,480,414.55 = 496,598,601.70 : x
  2. Step 2: Convert to fraction form
    649,653,609.70/974,480,414.55 = 496,598,601.70/x
  3. Step 3: Cross multiply
    649,653,609.70x = 974,480,414.55 × 496,598,601.70
  4. Step 4: Simplify right side
    649,653,609.70x = 483,925,611,249,566,272
  5. Step 5: Solve for x
    x = 483,925,611,249,566,272/649,653,609.70
  6. Step 6: Final answer
    x = 744,897,902.55

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Double scale
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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.