Home / 398,601,335.20-597,902,002.80-343,118,894.80

Finding the Fourth Proportional to 398,601,335.20, 597,902,002.80 and 343,118,894.80

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Solution

The fourth proportional to 398,601,335.20, 597,902,002.80 and 343,118,894.80 is: 514,678,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,335.20 : 597,902,002.80 = 343,118,894.80 : x
  2. Step 2: Convert to fraction form
    398,601,335.20/597,902,002.80 = 343,118,894.80/x
  3. Step 3: Cross multiply
    398,601,335.20x = 597,902,002.80 × 343,118,894.80
  4. Step 4: Simplify right side
    398,601,335.20x = 205,151,474,399,442,496
  5. Step 5: Solve for x
    x = 205,151,474,399,442,496/398,601,335.20
  6. Step 6: Final answer
    x = 514,678,342.20

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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.