Home / 9,716,227,432.80-13,398,372,480.24-8,311,182,891.36

Finding the Fourth Proportional to 9,716,227,432.80, 13,398,372,480.24 and 8,311,182,891.36

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Solution

The fourth proportional to 9,716,227,432.80, 13,398,372,480.24 and 8,311,182,891.36 is: 11,460,860,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716,227,432.80 : 13,398,372,480.24 = 8,311,182,891.36 : x
  2. Step 2: Convert to fraction form
    9,716,227,432.80/13,398,372,480.24 = 8,311,182,891.36/x
  3. Step 3: Cross multiply
    9,716,227,432.80x = 13,398,372,480.24 × 8,311,182,891.36
  4. Step 4: Simplify right side
    9,716,227,432.80x = 111,356,324,129,839,333,376
  5. Step 5: Solve for x
    x = 111,356,324,129,839,333,376/9,716,227,432.80
  6. Step 6: Final answer
    x = 11,460,860,184.68

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Double scale
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1.5x scale

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.