Home / 9,320,936,375.13-12,865,957,559.87-7,419,186,260.25

Finding the Fourth Proportional to 9,320,936,375.13, 12,865,957,559.87 and 7,419,186,260.25

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Solution

The fourth proportional to 9,320,936,375.13, 12,865,957,559.87 and 7,419,186,260.25 is: 10,240,916,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,936,375.13 : 12,865,957,559.87 = 7,419,186,260.25 : x
  2. Step 2: Convert to fraction form
    9,320,936,375.13/12,865,957,559.87 = 7,419,186,260.25/x
  3. Step 3: Cross multiply
    9,320,936,375.13x = 12,865,957,559.87 × 7,419,186,260.25
  4. Step 4: Simplify right side
    9,320,936,375.13x = 95,454,935,553,110,016,000
  5. Step 5: Solve for x
    x = 95,454,935,553,110,016,000/9,320,936,375.13
  6. Step 6: Final answer
    x = 10,240,916,975.66

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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.