Home / 43,998,969,488.38-66,003,177,259.95-18,819,301,453.18

Finding the Fourth Proportional to 43,998,969,488.38, 66,003,177,259.95 and 18,819,301,453.18

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Solution

The fourth proportional to 43,998,969,488.38, 66,003,177,259.95 and 18,819,301,453.18 is: 28,230,972,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998,969,488.38 : 66,003,177,259.95 = 18,819,301,453.18 : x
  2. Step 2: Convert to fraction form
    43,998,969,488.38/66,003,177,259.95 = 18,819,301,453.18/x
  3. Step 3: Cross multiply
    43,998,969,488.38x = 66,003,177,259.95 × 18,819,301,453.18
  4. Step 4: Simplify right side
    43,998,969,488.38x = 1,242,133,689,722,674,085,888
  5. Step 5: Solve for x
    x = 1,242,133,689,722,674,085,888/43,998,969,488.38
  6. Step 6: Final answer
    x = 28,230,972,319.72

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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.