Home / 21,026,223,019.28-29,016,188,338.92-11,638,849,195.28

Finding the Fourth Proportional to 21,026,223,019.28, 29,016,188,338.92 and 11,638,849,195.28

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Solution

The fourth proportional to 21,026,223,019.28, 29,016,188,338.92 and 11,638,849,195.28 is: 16,061,612,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,223,019.28 : 29,016,188,338.92 = 11,638,849,195.28 : x
  2. Step 2: Convert to fraction form
    21,026,223,019.28/29,016,188,338.92 = 11,638,849,195.28/x
  3. Step 3: Cross multiply
    21,026,223,019.28x = 29,016,188,338.92 × 11,638,849,195.28
  4. Step 4: Simplify right side
    21,026,223,019.28x = 337,715,040,298,531,946,496
  5. Step 5: Solve for x
    x = 337,715,040,298,531,946,496/21,026,223,019.28
  6. Step 6: Final answer
    x = 16,061,612,206.28

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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.