Home / 527,652,010.60-791,478,015.90-442,999,364.20

Finding the Fourth Proportional to 527,652,010.60, 791,478,015.90 and 442,999,364.20

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Solution

The fourth proportional to 527,652,010.60, 791,478,015.90 and 442,999,364.20 is: 664,499,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,652,010.60 : 791,478,015.90 = 442,999,364.20 : x
  2. Step 2: Convert to fraction form
    527,652,010.60/791,478,015.90 = 442,999,364.20/x
  3. Step 3: Cross multiply
    527,652,010.60x = 791,478,015.90 × 442,999,364.20
  4. Step 4: Simplify right side
    527,652,010.60x = 350,624,257,821,977,472
  5. Step 5: Solve for x
    x = 350,624,257,821,977,472/527,652,010.60
  6. Step 6: Final answer
    x = 664,499,046.30

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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.