Home / 408,690,033.30-564,461,418.69-297,675,463.86

Finding the Fourth Proportional to 408,690,033.30, 564,461,418.69 and 297,675,463.86

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Solution

The fourth proportional to 408,690,033.30, 564,461,418.69 and 297,675,463.86 is: 411,133,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,690,033.30 : 564,461,418.69 = 297,675,463.86 : x
  2. Step 2: Convert to fraction form
    408,690,033.30/564,461,418.69 = 297,675,463.86/x
  3. Step 3: Cross multiply
    408,690,033.30x = 564,461,418.69 × 297,675,463.86
  4. Step 4: Simplify right side
    408,690,033.30x = 168,026,314,639,619,456
  5. Step 5: Solve for x
    x = 168,026,314,639,619,456/408,690,033.30
  6. Step 6: Final answer
    x = 411,133,869.07

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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.