Home / 1,013,645,141.29-1,398,830,306.39-550,071,125.29

Finding the Fourth Proportional to 1,013,645,141.29, 1,398,830,306.39 and 550,071,125.29

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Solution

The fourth proportional to 1,013,645,141.29, 1,398,830,306.39 and 550,071,125.29 is: 759,098,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,645,141.29 : 1,398,830,306.39 = 550,071,125.29 : x
  2. Step 2: Convert to fraction form
    1,013,645,141.29/1,398,830,306.39 = 550,071,125.29/x
  3. Step 3: Cross multiply
    1,013,645,141.29x = 1,398,830,306.39 × 550,071,125.29
  4. Step 4: Simplify right side
    1,013,645,141.29x = 769,456,160,725,702,784
  5. Step 5: Solve for x
    x = 769,456,160,725,702,784/1,013,645,141.29
  6. Step 6: Final answer
    x = 759,098,159.09

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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.