Home / 571,955,596.20-857,933,394.30-442,656,000.90

Finding the Fourth Proportional to 571,955,596.20, 857,933,394.30 and 442,656,000.90

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Solution

The fourth proportional to 571,955,596.20, 857,933,394.30 and 442,656,000.90 is: 663,984,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,955,596.20 : 857,933,394.30 = 442,656,000.90 : x
  2. Step 2: Convert to fraction form
    571,955,596.20/857,933,394.30 = 442,656,000.90/x
  3. Step 3: Cross multiply
    571,955,596.20x = 857,933,394.30 × 442,656,000.90
  4. Step 4: Simplify right side
    571,955,596.20x = 379,769,365,359,400,832
  5. Step 5: Solve for x
    x = 379,769,365,359,400,832/571,955,596.20
  6. Step 6: Final answer
    x = 663,984,001.35

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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.