Home / 340,371,616.38-469,725,359.49-189,677,813.88

Finding the Fourth Proportional to 340,371,616.38, 469,725,359.49 and 189,677,813.88

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Solution

The fourth proportional to 340,371,616.38, 469,725,359.49 and 189,677,813.88 is: 261,762,365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,371,616.38 : 469,725,359.49 = 189,677,813.88 : x
  2. Step 2: Convert to fraction form
    340,371,616.38/469,725,359.49 = 189,677,813.88/x
  3. Step 3: Cross multiply
    340,371,616.38x = 469,725,359.49 × 189,677,813.88
  4. Step 4: Simplify right side
    340,371,616.38x = 89,096,479,312,060,304
  5. Step 5: Solve for x
    x = 89,096,479,312,060,304/340,371,616.38
  6. Step 6: Final answer
    x = 261,762,365.09

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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.