Home / 399,948,551.10-599,798,770.29-141,103,240.38

Finding the Fourth Proportional to 399,948,551.10, 599,798,770.29 and 141,103,240.38

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Solution

The fourth proportional to 399,948,551.10, 599,798,770.29 and 141,103,240.38 is: 211,611,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,948,551.10 : 599,798,770.29 = 141,103,240.38 : x
  2. Step 2: Convert to fraction form
    399,948,551.10/599,798,770.29 = 141,103,240.38/x
  3. Step 3: Cross multiply
    399,948,551.10x = 599,798,770.29 × 141,103,240.38
  4. Step 4: Simplify right side
    399,948,551.10x = 84,633,550,063,858,272
  5. Step 5: Solve for x
    x = 84,633,550,063,858,272/399,948,551.10
  6. Step 6: Final answer
    x = 211,611,093.05

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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.