Home / 1,787,752,102.92-2,679,888,349.44-854,833,999.56

Finding the Fourth Proportional to 1,787,752,102.92, 2,679,888,349.44 and 854,833,999.56

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Solution

The fourth proportional to 1,787,752,102.92, 2,679,888,349.44 and 854,833,999.56 is: 1,281,419,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,752,102.92 : 2,679,888,349.44 = 854,833,999.56 : x
  2. Step 2: Convert to fraction form
    1,787,752,102.92/2,679,888,349.44 = 854,833,999.56/x
  3. Step 3: Cross multiply
    1,787,752,102.92x = 2,679,888,349.44 × 854,833,999.56
  4. Step 4: Simplify right side
    1,787,752,102.92x = 2,290,859,676,126,041,856
  5. Step 5: Solve for x
    x = 2,290,859,676,126,041,856/1,787,752,102.92
  6. Step 6: Final answer
    x = 1,281,419,091.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.