Home / 516,107,233.80-774,227,205.90-257,454,664.20

Finding the Fourth Proportional to 516,107,233.80, 774,227,205.90 and 257,454,664.20

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Solution

The fourth proportional to 516,107,233.80, 774,227,205.90 and 257,454,664.20 is: 386,215,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,107,233.80 : 774,227,205.90 = 257,454,664.20 : x
  2. Step 2: Convert to fraction form
    516,107,233.80/774,227,205.90 = 257,454,664.20/x
  3. Step 3: Cross multiply
    516,107,233.80x = 774,227,205.90 × 257,454,664.20
  4. Step 4: Simplify right side
    516,107,233.80x = 199,328,405,309,488,736
  5. Step 5: Solve for x
    x = 199,328,405,309,488,736/516,107,233.80
  6. Step 6: Final answer
    x = 386,215,096.89

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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.