Home / 398,582,446.20-597,873,669.30-362,231,881.80

Finding the Fourth Proportional to 398,582,446.20, 597,873,669.30 and 362,231,881.80

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Solution

The fourth proportional to 398,582,446.20, 597,873,669.30 and 362,231,881.80 is: 543,347,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,582,446.20 : 597,873,669.30 = 362,231,881.80 : x
  2. Step 2: Convert to fraction form
    398,582,446.20/597,873,669.30 = 362,231,881.80/x
  3. Step 3: Cross multiply
    398,582,446.20x = 597,873,669.30 × 362,231,881.80
  4. Step 4: Simplify right side
    398,582,446.20x = 216,568,904,309,209,888
  5. Step 5: Solve for x
    x = 216,568,904,309,209,888/398,582,446.20
  6. Step 6: Final answer
    x = 543,347,822.70

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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.