Home / 388,373,503.40-582,336,306.30-146,060,901.80

Finding the Fourth Proportional to 388,373,503.40, 582,336,306.30 and 146,060,901.80

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Solution

The fourth proportional to 388,373,503.40, 582,336,306.30 and 146,060,901.80 is: 219,007,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,373,503.40 : 582,336,306.30 = 146,060,901.80 : x
  2. Step 2: Convert to fraction form
    388,373,503.40/582,336,306.30 = 146,060,901.80/x
  3. Step 3: Cross multiply
    388,373,503.40x = 582,336,306.30 × 146,060,901.80
  4. Step 4: Simplify right side
    388,373,503.40x = 85,056,566,049,059,024
  5. Step 5: Solve for x
    x = 85,056,566,049,059,024/388,373,503.40
  6. Step 6: Final answer
    x = 219,007,129.23

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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.