Home / 15,238,758,204.25-21,024,741,947.02-8,806,234,745.18

Finding the Fourth Proportional to 15,238,758,204.25, 21,024,741,947.02 and 8,806,234,745.18

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Solution

The fourth proportional to 15,238,758,204.25, 21,024,741,947.02 and 8,806,234,745.18 is: 12,149,862,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,758,204.25 : 21,024,741,947.02 = 8,806,234,745.18 : x
  2. Step 2: Convert to fraction form
    15,238,758,204.25/21,024,741,947.02 = 8,806,234,745.18/x
  3. Step 3: Cross multiply
    15,238,758,204.25x = 21,024,741,947.02 × 8,806,234,745.18
  4. Step 4: Simplify right side
    15,238,758,204.25x = 185,148,813,042,383,847,424
  5. Step 5: Solve for x
    x = 185,148,813,042,383,847,424/15,238,758,204.25
  6. Step 6: Final answer
    x = 12,149,862,249.98

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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.