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Finding the Fourth Proportional to 598,766,982.60, 898,150,473.90 and 437,523,846.60

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Solution

The fourth proportional to 598,766,982.60, 898,150,473.90 and 437,523,846.60 is: 656,285,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,766,982.60 : 898,150,473.90 = 437,523,846.60 : x
  2. Step 2: Convert to fraction form
    598,766,982.60/898,150,473.90 = 437,523,846.60/x
  3. Step 3: Cross multiply
    598,766,982.60x = 898,150,473.90 × 437,523,846.60
  4. Step 4: Simplify right side
    598,766,982.60x = 392,962,250,166,340,928
  5. Step 5: Solve for x
    x = 392,962,250,166,340,928/598,766,982.60
  6. Step 6: Final answer
    x = 656,285,769.90

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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.