Home / 548,337,856.38-756,522,222.15-313,222,059.42

Finding the Fourth Proportional to 548,337,856.38, 756,522,222.15 and 313,222,059.42

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Solution

The fourth proportional to 548,337,856.38, 756,522,222.15 and 313,222,059.42 is: 432,141,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,337,856.38 : 756,522,222.15 = 313,222,059.42 : x
  2. Step 2: Convert to fraction form
    548,337,856.38/756,522,222.15 = 313,222,059.42/x
  3. Step 3: Cross multiply
    548,337,856.38x = 756,522,222.15 × 313,222,059.42
  4. Step 4: Simplify right side
    548,337,856.38x = 236,959,448,418,817,760
  5. Step 5: Solve for x
    x = 236,959,448,418,817,760/548,337,856.38
  6. Step 6: Final answer
    x = 432,141,326.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.