Home / 637,956,910.80-956,935,366.20-542,722,683.60

Finding the Fourth Proportional to 637,956,910.80, 956,935,366.20 and 542,722,683.60

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Solution

The fourth proportional to 637,956,910.80, 956,935,366.20 and 542,722,683.60 is: 814,084,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,956,910.80 : 956,935,366.20 = 542,722,683.60 : x
  2. Step 2: Convert to fraction form
    637,956,910.80/956,935,366.20 = 542,722,683.60/x
  3. Step 3: Cross multiply
    637,956,910.80x = 956,935,366.20 × 542,722,683.60
  4. Step 4: Simplify right side
    637,956,910.80x = 519,350,529,975,812,800
  5. Step 5: Solve for x
    x = 519,350,529,975,812,800/637,956,910.80
  6. Step 6: Final answer
    x = 814,084,025.40

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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.