Home / 18,623,561,856.21-27,935,079,711.57-8,669,438,092.17

Finding the Fourth Proportional to 18,623,561,856.21, 27,935,079,711.57 and 8,669,438,092.17

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Solution

The fourth proportional to 18,623,561,856.21, 27,935,079,711.57 and 8,669,438,092.17 is: 13,004,034,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623,561,856.21 : 27,935,079,711.57 = 8,669,438,092.17 : x
  2. Step 2: Convert to fraction form
    18,623,561,856.21/27,935,079,711.57 = 8,669,438,092.17/x
  3. Step 3: Cross multiply
    18,623,561,856.21x = 27,935,079,711.57 × 8,669,438,092.17
  4. Step 4: Simplify right side
    18,623,561,856.21x = 242,181,444,159,290,277,888
  5. Step 5: Solve for x
    x = 242,181,444,159,290,277,888/18,623,561,856.21
  6. Step 6: Final answer
    x = 13,004,034,675.49

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1.5x scale

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.