Home / 20,361,224,754.72-28,098,049,754.34-11,788,012,934.28

Finding the Fourth Proportional to 20,361,224,754.72, 28,098,049,754.34 and 11,788,012,934.28

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Solution

The fourth proportional to 20,361,224,754.72, 28,098,049,754.34 and 11,788,012,934.28 is: 16,267,202,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,224,754.72 : 28,098,049,754.34 = 11,788,012,934.28 : x
  2. Step 2: Convert to fraction form
    20,361,224,754.72/28,098,049,754.34 = 11,788,012,934.28/x
  3. Step 3: Cross multiply
    20,361,224,754.72x = 28,098,049,754.34 × 11,788,012,934.28
  4. Step 4: Simplify right side
    20,361,224,754.72x = 331,220,173,932,202,885,120
  5. Step 5: Solve for x
    x = 331,220,173,932,202,885,120/20,361,224,754.72
  6. Step 6: Final answer
    x = 16,267,202,878.13

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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.