Home / 1,172,781,203.83-1,618,469,666.56-690,006,853.73

Finding the Fourth Proportional to 1,172,781,203.83, 1,618,469,666.56 and 690,006,853.73

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Solution

The fourth proportional to 1,172,781,203.83, 1,618,469,666.56 and 690,006,853.73 is: 952,228,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,781,203.83 : 1,618,469,666.56 = 690,006,853.73 : x
  2. Step 2: Convert to fraction form
    1,172,781,203.83/1,618,469,666.56 = 690,006,853.73/x
  3. Step 3: Cross multiply
    1,172,781,203.83x = 1,618,469,666.56 × 690,006,853.73
  4. Step 4: Simplify right side
    1,172,781,203.83x = 1,116,755,162,485,381,888
  5. Step 5: Solve for x
    x = 1,116,755,162,485,381,888/1,172,781,203.83
  6. Step 6: Final answer
    x = 952,228,053.14

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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.