Home / 21,631,856,933.28-29,782,582,732.48-16,868,019,809.28

Finding the Fourth Proportional to 21,631,856,933.28, 29,782,582,732.48 and 16,868,019,809.28

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Solution

The fourth proportional to 21,631,856,933.28, 29,782,582,732.48 and 16,868,019,809.28 is: 23,223,766,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631,856,933.28 : 29,782,582,732.48 = 16,868,019,809.28 : x
  2. Step 2: Convert to fraction form
    21,631,856,933.28/29,782,582,732.48 = 16,868,019,809.28/x
  3. Step 3: Cross multiply
    21,631,856,933.28x = 29,782,582,732.48 × 16,868,019,809.28
  4. Step 4: Simplify right side
    21,631,856,933.28x = 502,373,195,502,993,145,856
  5. Step 5: Solve for x
    x = 502,373,195,502,993,145,856/21,631,856,933.28
  6. Step 6: Final answer
    x = 23,223,766,551.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.