Home / 1,206,040,256.97-1,664,385,591.50-670,189,921.13

Finding the Fourth Proportional to 1,206,040,256.97, 1,664,385,591.50 and 670,189,921.13

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Solution

The fourth proportional to 1,206,040,256.97, 1,664,385,591.50 and 670,189,921.13 is: 924,889,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,040,256.97 : 1,664,385,591.50 = 670,189,921.13 : x
  2. Step 2: Convert to fraction form
    1,206,040,256.97/1,664,385,591.50 = 670,189,921.13/x
  3. Step 3: Cross multiply
    1,206,040,256.97x = 1,664,385,591.50 × 670,189,921.13
  4. Step 4: Simplify right side
    1,206,040,256.97x = 1,115,454,448,297,293,440
  5. Step 5: Solve for x
    x = 1,115,454,448,297,293,440/1,206,040,256.97
  6. Step 6: Final answer
    x = 924,889,896.38

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Half scale
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Double scale
Find fourth proportional to 1,206,040,257.97, 1,664,385,592.88 and 670,189,922.13
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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.