Home / 637,754,471.20-956,631,706.80-483,565,722.40

Finding the Fourth Proportional to 637,754,471.20, 956,631,706.80 and 483,565,722.40

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Solution

The fourth proportional to 637,754,471.20, 956,631,706.80 and 483,565,722.40 is: 725,348,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,754,471.20 : 956,631,706.80 = 483,565,722.40 : x
  2. Step 2: Convert to fraction form
    637,754,471.20/956,631,706.80 = 483,565,722.40/x
  3. Step 3: Cross multiply
    637,754,471.20x = 956,631,706.80 × 483,565,722.40
  4. Step 4: Simplify right side
    637,754,471.20x = 462,594,302,369,486,976
  5. Step 5: Solve for x
    x = 462,594,302,369,486,976/637,754,471.20
  6. Step 6: Final answer
    x = 725,348,583.60

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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.