Home / 1,125,053,046.14-1,552,425,969.78-648,761,006.70

Finding the Fourth Proportional to 1,125,053,046.14, 1,552,425,969.78 and 648,761,006.70

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Solution

The fourth proportional to 1,125,053,046.14, 1,552,425,969.78 and 648,761,006.70 is: 895,205,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,053,046.14 : 1,552,425,969.78 = 648,761,006.70 : x
  2. Step 2: Convert to fraction form
    1,125,053,046.14/1,552,425,969.78 = 648,761,006.70/x
  3. Step 3: Cross multiply
    1,125,053,046.14x = 1,552,425,969.78 × 648,761,006.70
  4. Step 4: Simplify right side
    1,125,053,046.14x = 1,007,153,434,981,696,640
  5. Step 5: Solve for x
    x = 1,007,153,434,981,696,640/1,125,053,046.14
  6. Step 6: Final answer
    x = 895,205,286.93

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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.