Home / 388,029,251.40-582,043,877.10-365,071,000.20

Finding the Fourth Proportional to 388,029,251.40, 582,043,877.10 and 365,071,000.20

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Solution

The fourth proportional to 388,029,251.40, 582,043,877.10 and 365,071,000.20 is: 547,606,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,029,251.40 : 582,043,877.10 = 365,071,000.20 : x
  2. Step 2: Convert to fraction form
    388,029,251.40/582,043,877.10 = 365,071,000.20/x
  3. Step 3: Cross multiply
    388,029,251.40x = 582,043,877.10 × 365,071,000.20
  4. Step 4: Simplify right side
    388,029,251.40x = 212,487,340,373,182,880
  5. Step 5: Solve for x
    x = 212,487,340,373,182,880/388,029,251.40
  6. Step 6: Final answer
    x = 547,606,500.30

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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.