Home / 1,381,172,992,011.80-1,906,605,608,748.50-860,585,617,552.10

Finding the Fourth Proportional to 1,381,172,992,011.80, 1,906,605,608,748.50 and 860,585,617,552.10

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Solution

The fourth proportional to 1,381,172,992,011.80, 1,906,605,608,748.50 and 860,585,617,552.10 is: 1,187,973,827,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,172,992,011.80 : 1,906,605,608,748.50 = 860,585,617,552.10 : x
  2. Step 2: Convert to fraction form
    1,381,172,992,011.80/1,906,605,608,748.50 = 860,585,617,552.10/x
  3. Step 3: Cross multiply
    1,381,172,992,011.80x = 1,906,605,608,748.50 × 860,585,617,552.10
  4. Step 4: Simplify right side
    1,381,172,992,011.80x = 1,640,797,365,233,125,416,763,392
  5. Step 5: Solve for x
    x = 1,640,797,365,233,125,416,763,392/1,381,172,992,011.80
  6. Step 6: Final answer
    x = 1,187,973,827,118.61

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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.