Home / 5,194,526,012.31-7,168,253,850.67-2,815,612,873.68

Finding the Fourth Proportional to 5,194,526,012.31, 7,168,253,850.67 and 2,815,612,873.68

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Solution

The fourth proportional to 5,194,526,012.31, 7,168,253,850.67 and 2,815,612,873.68 is: 3,885,441,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,526,012.31 : 7,168,253,850.67 = 2,815,612,873.68 : x
  2. Step 2: Convert to fraction form
    5,194,526,012.31/7,168,253,850.67 = 2,815,612,873.68/x
  3. Step 3: Cross multiply
    5,194,526,012.31x = 7,168,253,850.67 × 2,815,612,873.68
  4. Step 4: Simplify right side
    5,194,526,012.31x = 20,183,027,823,752,683,520
  5. Step 5: Solve for x
    x = 20,183,027,823,752,683,520/5,194,526,012.31
  6. Step 6: Final answer
    x = 3,885,441,669.93

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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.