Home / 527,652,023.60-791,478,035.40-442,999,377.20

Finding the Fourth Proportional to 527,652,023.60, 791,478,035.40 and 442,999,377.20

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Solution

The fourth proportional to 527,652,023.60, 791,478,035.40 and 442,999,377.20 is: 664,499,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,652,023.60 : 791,478,035.40 = 442,999,377.20 : x
  2. Step 2: Convert to fraction form
    527,652,023.60/791,478,035.40 = 442,999,377.20/x
  3. Step 3: Cross multiply
    527,652,023.60x = 791,478,035.40 × 442,999,377.20
  4. Step 4: Simplify right side
    527,652,023.60x = 350,624,276,749,679,552
  5. Step 5: Solve for x
    x = 350,624,276,749,679,552/527,652,023.60
  6. Step 6: Final answer
    x = 664,499,065.80

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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.