Home / 12,115,807,502.55-18,173,711,253.83-5,585,460,494.55

Finding the Fourth Proportional to 12,115,807,502.55, 18,173,711,253.83 and 5,585,460,494.55

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Solution

The fourth proportional to 12,115,807,502.55, 18,173,711,253.83 and 5,585,460,494.55 is: 8,378,190,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,807,502.55 : 18,173,711,253.83 = 5,585,460,494.55 : x
  2. Step 2: Convert to fraction form
    12,115,807,502.55/18,173,711,253.83 = 5,585,460,494.55/x
  3. Step 3: Cross multiply
    12,115,807,502.55x = 18,173,711,253.83 × 5,585,460,494.55
  4. Step 4: Simplify right side
    12,115,807,502.55x = 101,508,546,247,598,292,992
  5. Step 5: Solve for x
    x = 101,508,546,247,598,292,992/12,115,807,502.55
  6. Step 6: Final answer
    x = 8,378,190,741.83

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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.