Home / 1,318,685,786.70-1,978,028,680.05-336,110,426.70

Finding the Fourth Proportional to 1,318,685,786.70, 1,978,028,680.05 and 336,110,426.70

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Solution

The fourth proportional to 1,318,685,786.70, 1,978,028,680.05 and 336,110,426.70 is: 504,165,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,685,786.70 : 1,978,028,680.05 = 336,110,426.70 : x
  2. Step 2: Convert to fraction form
    1,318,685,786.70/1,978,028,680.05 = 336,110,426.70/x
  3. Step 3: Cross multiply
    1,318,685,786.70x = 1,978,028,680.05 × 336,110,426.70
  4. Step 4: Simplify right side
    1,318,685,786.70x = 664,836,063,676,443,264
  5. Step 5: Solve for x
    x = 664,836,063,676,443,264/1,318,685,786.70
  6. Step 6: Final answer
    x = 504,165,640.05

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.