Home / 1,381,172,992,010.80-1,906,605,608,747.10-860,585,617,551.10

Finding the Fourth Proportional to 1,381,172,992,010.80, 1,906,605,608,747.10 and 860,585,617,551.10

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Solution

The fourth proportional to 1,381,172,992,010.80, 1,906,605,608,747.10 and 860,585,617,551.10 is: 1,187,973,827,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,172,992,010.80 : 1,906,605,608,747.10 = 860,585,617,551.10 : x
  2. Step 2: Convert to fraction form
    1,381,172,992,010.80/1,906,605,608,747.10 = 860,585,617,551.10/x
  3. Step 3: Cross multiply
    1,381,172,992,010.80x = 1,906,605,608,747.10 × 860,585,617,551.10
  4. Step 4: Simplify right side
    1,381,172,992,010.80x = 1,640,797,365,230,013,981,392,896
  5. Step 5: Solve for x
    x = 1,640,797,365,230,013,981,392,896/1,381,172,992,010.80
  6. Step 6: Final answer
    x = 1,187,973,827,117.22

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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.