Home / 7,162,715,985.28-10,744,185,336.03-2,121,082,446.35

Finding the Fourth Proportional to 7,162,715,985.28, 10,744,185,336.03 and 2,121,082,446.35

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Solution

The fourth proportional to 7,162,715,985.28, 10,744,185,336.03 and 2,121,082,446.35 is: 3,181,656,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,715,985.28 : 10,744,185,336.03 = 2,121,082,446.35 : x
  2. Step 2: Convert to fraction form
    7,162,715,985.28/10,744,185,336.03 = 2,121,082,446.35/x
  3. Step 3: Cross multiply
    7,162,715,985.28x = 10,744,185,336.03 × 2,121,082,446.35
  4. Step 4: Simplify right side
    7,162,715,985.28x = 22,789,302,916,584,308,736
  5. Step 5: Solve for x
    x = 22,789,302,916,584,308,736/7,162,715,985.28
  6. Step 6: Final answer
    x = 3,181,656,645.81

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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.