Home / 15,362,273,232.75-21,203,347,555.17-9,339,498,875.37

Finding the Fourth Proportional to 15,362,273,232.75, 21,203,347,555.17 and 9,339,498,875.37

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Solution

The fourth proportional to 15,362,273,232.75, 21,203,347,555.17 and 9,339,498,875.37 is: 12,890,581,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362,273,232.75 : 21,203,347,555.17 = 9,339,498,875.37 : x
  2. Step 2: Convert to fraction form
    15,362,273,232.75/21,203,347,555.17 = 9,339,498,875.37/x
  3. Step 3: Cross multiply
    15,362,273,232.75x = 21,203,347,555.17 × 9,339,498,875.37
  4. Step 4: Simplify right side
    15,362,273,232.75x = 198,028,640,645,589,467,136
  5. Step 5: Solve for x
    x = 198,028,640,645,589,467,136/15,362,273,232.75
  6. Step 6: Final answer
    x = 12,890,581,858.90

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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.