Home / 371,522,742.80-557,284,114.20-199,335,858.80

Finding the Fourth Proportional to 371,522,742.80, 557,284,114.20 and 199,335,858.80

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Solution

The fourth proportional to 371,522,742.80, 557,284,114.20 and 199,335,858.80 is: 299,003,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,522,742.80 : 557,284,114.20 = 199,335,858.80 : x
  2. Step 2: Convert to fraction form
    371,522,742.80/557,284,114.20 = 199,335,858.80/x
  3. Step 3: Cross multiply
    371,522,742.80x = 557,284,114.20 × 199,335,858.80
  4. Step 4: Simplify right side
    371,522,742.80x = 111,086,707,499,654,288
  5. Step 5: Solve for x
    x = 111,086,707,499,654,288/371,522,742.80
  6. Step 6: Final answer
    x = 299,003,788.20

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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.