Home / 641,670,952.43-962,392,652.95-291,835,078.11

Finding the Fourth Proportional to 641,670,952.43, 962,392,652.95 and 291,835,078.11

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Solution

The fourth proportional to 641,670,952.43, 962,392,652.95 and 291,835,078.11 is: 437,700,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,670,952.43 : 962,392,652.95 = 291,835,078.11 : x
  2. Step 2: Convert to fraction form
    641,670,952.43/962,392,652.95 = 291,835,078.11/x
  3. Step 3: Cross multiply
    641,670,952.43x = 962,392,652.95 × 291,835,078.11
  4. Step 4: Simplify right side
    641,670,952.43x = 280,859,935,046,153,408
  5. Step 5: Solve for x
    x = 280,859,935,046,153,408/641,670,952.43
  6. Step 6: Final answer
    x = 437,700,871.43

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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.