Home / 371,522,962.80-557,284,444.20-199,336,078.80

Finding the Fourth Proportional to 371,522,962.80, 557,284,444.20 and 199,336,078.80

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Solution

The fourth proportional to 371,522,962.80, 557,284,444.20 and 199,336,078.80 is: 299,004,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,522,962.80 : 557,284,444.20 = 199,336,078.80 : x
  2. Step 2: Convert to fraction form
    371,522,962.80/557,284,444.20 = 199,336,078.80/x
  3. Step 3: Cross multiply
    371,522,962.80x = 557,284,444.20 × 199,336,078.80
  4. Step 4: Simplify right side
    371,522,962.80x = 111,086,895,883,065,424
  5. Step 5: Solve for x
    x = 111,086,895,883,065,424/371,522,962.80
  6. Step 6: Final answer
    x = 299,004,118.20

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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.