Home / 792,659,892.60-1,188,989,838.90-498,029,002.20

Finding the Fourth Proportional to 792,659,892.60, 1,188,989,838.90 and 498,029,002.20

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Solution

The fourth proportional to 792,659,892.60, 1,188,989,838.90 and 498,029,002.20 is: 747,043,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,659,892.60 : 1,188,989,838.90 = 498,029,002.20 : x
  2. Step 2: Convert to fraction form
    792,659,892.60/1,188,989,838.90 = 498,029,002.20/x
  3. Step 3: Cross multiply
    792,659,892.60x = 1,188,989,838.90 × 498,029,002.20
  4. Step 4: Simplify right side
    792,659,892.60x = 592,151,423,093,305,728
  5. Step 5: Solve for x
    x = 592,151,423,093,305,728/792,659,892.60
  6. Step 6: Final answer
    x = 747,043,503.30

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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.