Home / 641,670,952.93-962,392,653.70-291,835,078.61

Finding the Fourth Proportional to 641,670,952.93, 962,392,653.70 and 291,835,078.61

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Solution

The fourth proportional to 641,670,952.93, 962,392,653.70 and 291,835,078.61 is: 437,700,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,670,952.93 : 962,392,653.70 = 291,835,078.61 : x
  2. Step 2: Convert to fraction form
    641,670,952.93/962,392,653.70 = 291,835,078.61/x
  3. Step 3: Cross multiply
    641,670,952.93x = 962,392,653.70 × 291,835,078.61
  4. Step 4: Simplify right side
    641,670,952.93x = 280,859,935,746,226,048
  5. Step 5: Solve for x
    x = 280,859,935,746,226,048/641,670,952.93
  6. Step 6: Final answer
    x = 437,700,872.18

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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.