Home / 373,251,143.20-559,876,714.80-312,784,967.20

Finding the Fourth Proportional to 373,251,143.20, 559,876,714.80 and 312,784,967.20

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Solution

The fourth proportional to 373,251,143.20, 559,876,714.80 and 312,784,967.20 is: 469,177,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,251,143.20 : 559,876,714.80 = 312,784,967.20 : x
  2. Step 2: Convert to fraction form
    373,251,143.20/559,876,714.80 = 312,784,967.20/x
  3. Step 3: Cross multiply
    373,251,143.20x = 559,876,714.80 × 312,784,967.20
  4. Step 4: Simplify right side
    373,251,143.20x = 175,121,019,874,761,728
  5. Step 5: Solve for x
    x = 175,121,019,874,761,728/373,251,143.20
  6. Step 6: Final answer
    x = 469,177,450.80

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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.