Home / 2,167,307,517.16-2,991,132,489.46-1,214,945,478.32

Finding the Fourth Proportional to 2,167,307,517.16, 2,991,132,489.46 and 1,214,945,478.32

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Solution

The fourth proportional to 2,167,307,517.16, 2,991,132,489.46 and 1,214,945,478.32 is: 1,676,763,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,307,517.16 : 2,991,132,489.46 = 1,214,945,478.32 : x
  2. Step 2: Convert to fraction form
    2,167,307,517.16/2,991,132,489.46 = 1,214,945,478.32/x
  3. Step 3: Cross multiply
    2,167,307,517.16x = 2,991,132,489.46 × 1,214,945,478.32
  4. Step 4: Simplify right side
    2,167,307,517.16x = 3,634,062,893,125,471,744
  5. Step 5: Solve for x
    x = 3,634,062,893,125,471,744/2,167,307,517.16
  6. Step 6: Final answer
    x = 1,676,763,848.39

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Double scale
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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.