Home / 15,904,075,087.20-21,947,690,143.44-8,767,332,246.88

Finding the Fourth Proportional to 15,904,075,087.20, 21,947,690,143.44 and 8,767,332,246.88

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Solution

The fourth proportional to 15,904,075,087.20, 21,947,690,143.44 and 8,767,332,246.88 is: 12,098,955,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904,075,087.20 : 21,947,690,143.44 = 8,767,332,246.88 : x
  2. Step 2: Convert to fraction form
    15,904,075,087.20/21,947,690,143.44 = 8,767,332,246.88/x
  3. Step 3: Cross multiply
    15,904,075,087.20x = 21,947,690,143.44 × 8,767,332,246.88
  4. Step 4: Simplify right side
    15,904,075,087.20x = 192,422,691,539,111,804,928
  5. Step 5: Solve for x
    x = 192,422,691,539,111,804,928/15,904,075,087.20
  6. Step 6: Final answer
    x = 12,098,955,172.44

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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.