Home / 7,186,752,961.20-10,780,129,441.80-1,740,318,145.20

Finding the Fourth Proportional to 7,186,752,961.20, 10,780,129,441.80 and 1,740,318,145.20

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Solution

The fourth proportional to 7,186,752,961.20, 10,780,129,441.80 and 1,740,318,145.20 is: 2,610,477,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,752,961.20 : 10,780,129,441.80 = 1,740,318,145.20 : x
  2. Step 2: Convert to fraction form
    7,186,752,961.20/10,780,129,441.80 = 1,740,318,145.20/x
  3. Step 3: Cross multiply
    7,186,752,961.20x = 10,780,129,441.80 × 1,740,318,145.20
  4. Step 4: Simplify right side
    7,186,752,961.20x = 18,760,854,875,169,288,192
  5. Step 5: Solve for x
    x = 18,760,854,875,169,288,192/7,186,752,961.20
  6. Step 6: Final answer
    x = 2,610,477,217.80

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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.