Home / 7,621,517,187.18-11,428,350,424.59-3,420,868,891.86

Finding the Fourth Proportional to 7,621,517,187.18, 11,428,350,424.59 and 3,420,868,891.86

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Solution

The fourth proportional to 7,621,517,187.18, 11,428,350,424.59 and 3,420,868,891.86 is: 5,129,541,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,517,187.18 : 11,428,350,424.59 = 3,420,868,891.86 : x
  2. Step 2: Convert to fraction form
    7,621,517,187.18/11,428,350,424.59 = 3,420,868,891.86/x
  3. Step 3: Cross multiply
    7,621,517,187.18x = 11,428,350,424.59 × 3,420,868,891.86
  4. Step 4: Simplify right side
    7,621,517,187.18x = 39,094,888,452,754,956,288
  5. Step 5: Solve for x
    x = 39,094,888,452,754,956,288/7,621,517,187.18
  6. Step 6: Final answer
    x = 5,129,541,466.96

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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.