Home / 645,267,974.79-964,228,625.25-484,503,216.29

Finding the Fourth Proportional to 645,267,974.79, 964,228,625.25 and 484,503,216.29

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Solution

The fourth proportional to 645,267,974.79, 964,228,625.25 and 484,503,216.29 is: 723,996,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,267,974.79 : 964,228,625.25 = 484,503,216.29 : x
  2. Step 2: Convert to fraction form
    645,267,974.79/964,228,625.25 = 484,503,216.29/x
  3. Step 3: Cross multiply
    645,267,974.79x = 964,228,625.25 × 484,503,216.29
  4. Step 4: Simplify right side
    645,267,974.79x = 467,171,870,172,215,680
  5. Step 5: Solve for x
    x = 467,171,870,172,215,680/645,267,974.79
  6. Step 6: Final answer
    x = 723,996,678.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.