Home / 7,162,715,986.28-10,744,185,337.52-2,121,082,447.36

Finding the Fourth Proportional to 7,162,715,986.28, 10,744,185,337.52 and 2,121,082,447.36

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Solution

The fourth proportional to 7,162,715,986.28, 10,744,185,337.52 and 2,121,082,447.36 is: 3,181,656,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,715,986.28 : 10,744,185,337.52 = 2,121,082,447.36 : x
  2. Step 2: Convert to fraction form
    7,162,715,986.28/10,744,185,337.52 = 2,121,082,447.36/x
  3. Step 3: Cross multiply
    7,162,715,986.28x = 10,744,185,337.52 × 2,121,082,447.36
  4. Step 4: Simplify right side
    7,162,715,986.28x = 22,789,302,930,596,347,904
  5. Step 5: Solve for x
    x = 22,789,302,930,596,347,904/7,162,715,986.28
  6. Step 6: Final answer
    x = 3,181,656,647.32

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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.