Home / 533,854,452.30-800,781,678.45-419,192,666.70

Finding the Fourth Proportional to 533,854,452.30, 800,781,678.45 and 419,192,666.70

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Solution

The fourth proportional to 533,854,452.30, 800,781,678.45 and 419,192,666.70 is: 628,789,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,854,452.30 : 800,781,678.45 = 419,192,666.70 : x
  2. Step 2: Convert to fraction form
    533,854,452.30/800,781,678.45 = 419,192,666.70/x
  3. Step 3: Cross multiply
    533,854,452.30x = 800,781,678.45 × 419,192,666.70
  4. Step 4: Simplify right side
    533,854,452.30x = 335,681,807,233,957,440
  5. Step 5: Solve for x
    x = 335,681,807,233,957,440/533,854,452.30
  6. Step 6: Final answer
    x = 628,789,000.05

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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.