Home / 345,206,014.46-517,805,478.68-199,546,893.71

Finding the Fourth Proportional to 345,206,014.46, 517,805,478.68 and 199,546,893.71

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Solution

The fourth proportional to 345,206,014.46, 517,805,478.68 and 199,546,893.71 is: 299,318,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,206,014.46 : 517,805,478.68 = 199,546,893.71 : x
  2. Step 2: Convert to fraction form
    345,206,014.46/517,805,478.68 = 199,546,893.71/x
  3. Step 3: Cross multiply
    345,206,014.46x = 517,805,478.68 × 199,546,893.71
  4. Step 4: Simplify right side
    345,206,014.46x = 103,326,474,818,407,024
  5. Step 5: Solve for x
    x = 103,326,474,818,407,024/345,206,014.46
  6. Step 6: Final answer
    x = 299,318,292.53

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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.