Home / 407,998,583.37-612,117,947.50-131,644,613.23

Finding the Fourth Proportional to 407,998,583.37, 612,117,947.50 and 131,644,613.23

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Solution

The fourth proportional to 407,998,583.37, 612,117,947.50 and 131,644,613.23 is: 197,505,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,998,583.37 : 612,117,947.50 = 131,644,613.23 : x
  2. Step 2: Convert to fraction form
    407,998,583.37/612,117,947.50 = 131,644,613.23/x
  3. Step 3: Cross multiply
    407,998,583.37x = 612,117,947.50 × 131,644,613.23
  4. Step 4: Simplify right side
    407,998,583.37x = 80,582,030,447,919,536
  5. Step 5: Solve for x
    x = 80,582,030,447,919,536/407,998,583.37
  6. Step 6: Final answer
    x = 197,505,662.35

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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.