Home / 10,715,229,446.78-14,787,844,927.18-6,428,604,086.66

Finding the Fourth Proportional to 10,715,229,446.78, 14,787,844,927.18 and 6,428,604,086.66

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Solution

The fourth proportional to 10,715,229,446.78, 14,787,844,927.18 and 6,428,604,086.66 is: 8,871,970,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715,229,446.78 : 14,787,844,927.18 = 6,428,604,086.66 : x
  2. Step 2: Convert to fraction form
    10,715,229,446.78/14,787,844,927.18 = 6,428,604,086.66/x
  3. Step 3: Cross multiply
    10,715,229,446.78x = 14,787,844,927.18 × 6,428,604,086.66
  4. Step 4: Simplify right side
    10,715,229,446.78x = 95,065,200,331,763,695,616
  5. Step 5: Solve for x
    x = 95,065,200,331,763,695,616/10,715,229,446.78
  6. Step 6: Final answer
    x = 8,871,970,572.72

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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.