Home / 15,362,273,234.25-21,203,347,557.33-9,339,498,876.87

Finding the Fourth Proportional to 15,362,273,234.25, 21,203,347,557.33 and 9,339,498,876.87

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Solution

The fourth proportional to 15,362,273,234.25, 21,203,347,557.33 and 9,339,498,876.87 is: 12,890,581,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362,273,234.25 : 21,203,347,557.33 = 9,339,498,876.87 : x
  2. Step 2: Convert to fraction form
    15,362,273,234.25/21,203,347,557.33 = 9,339,498,876.87/x
  3. Step 3: Cross multiply
    15,362,273,234.25x = 21,203,347,557.33 × 9,339,498,876.87
  4. Step 4: Simplify right side
    15,362,273,234.25x = 198,028,640,697,567,838,208
  5. Step 5: Solve for x
    x = 198,028,640,697,567,838,208/15,362,273,234.25
  6. Step 6: Final answer
    x = 12,890,581,861.03

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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.