Home / 1,226,179,008.18-1,694,340,469.71-873,142,087.68

Finding the Fourth Proportional to 1,226,179,008.18, 1,694,340,469.71 and 873,142,087.68

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Solution

The fourth proportional to 1,226,179,008.18, 1,694,340,469.71 and 873,142,087.68 is: 1,206,512,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,179,008.18 : 1,694,340,469.71 = 873,142,087.68 : x
  2. Step 2: Convert to fraction form
    1,226,179,008.18/1,694,340,469.71 = 873,142,087.68/x
  3. Step 3: Cross multiply
    1,226,179,008.18x = 1,694,340,469.71 × 873,142,087.68
  4. Step 4: Simplify right side
    1,226,179,008.18x = 1,479,399,974,963,301,120
  5. Step 5: Solve for x
    x = 1,479,399,974,963,301,120/1,226,179,008.18
  6. Step 6: Final answer
    x = 1,206,512,234.42

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Half scale
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Double scale
Find fourth proportional to 1,226,179,009.18, 1,694,340,471.09 and 873,142,088.68
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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.