Home / 15,394,947,888.24-21,245,028,079.68-8,354,417,520.24

Finding the Fourth Proportional to 15,394,947,888.24, 21,245,028,079.68 and 8,354,417,520.24

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Solution

The fourth proportional to 15,394,947,888.24, 21,245,028,079.68 and 8,354,417,520.24 is: 11,529,096,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,394,947,888.24 : 21,245,028,079.68 = 8,354,417,520.24 : x
  2. Step 2: Convert to fraction form
    15,394,947,888.24/21,245,028,079.68 = 8,354,417,520.24/x
  3. Step 3: Cross multiply
    15,394,947,888.24x = 21,245,028,079.68 × 8,354,417,520.24
  4. Step 4: Simplify right side
    15,394,947,888.24x = 177,489,834,806,869,360,640
  5. Step 5: Solve for x
    x = 177,489,834,806,869,360,640/15,394,947,888.24
  6. Step 6: Final answer
    x = 11,529,096,174.63

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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.