Home / 8,012,198,722.59-12,003,128,318.52-5,348,222,126.36

Finding the Fourth Proportional to 8,012,198,722.59, 12,003,128,318.52 and 5,348,222,126.36

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Solution

The fourth proportional to 8,012,198,722.59, 12,003,128,318.52 and 5,348,222,126.36 is: 8,012,207,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012,198,722.59 : 12,003,128,318.52 = 5,348,222,126.36 : x
  2. Step 2: Convert to fraction form
    8,012,198,722.59/12,003,128,318.52 = 5,348,222,126.36/x
  3. Step 3: Cross multiply
    8,012,198,722.59x = 12,003,128,318.52 × 5,348,222,126.36
  4. Step 4: Simplify right side
    8,012,198,722.59x = 64,195,396,458,586,947,584
  5. Step 5: Solve for x
    x = 64,195,396,458,586,947,584/8,012,198,722.59
  6. Step 6: Final answer
    x = 8,012,207,220.67

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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.