Home / 404,270,782.11-557,895,350.12-218,631,793.95

Finding the Fourth Proportional to 404,270,782.11, 557,895,350.12 and 218,631,793.95

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Solution

The fourth proportional to 404,270,782.11, 557,895,350.12 and 218,631,793.95 is: 301,712,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,270,782.11 : 557,895,350.12 = 218,631,793.95 : x
  2. Step 2: Convert to fraction form
    404,270,782.11/557,895,350.12 = 218,631,793.95/x
  3. Step 3: Cross multiply
    404,270,782.11x = 557,895,350.12 × 218,631,793.95
  4. Step 4: Simplify right side
    404,270,782.11x = 121,973,661,232,005,792
  5. Step 5: Solve for x
    x = 121,973,661,232,005,792/404,270,782.11
  6. Step 6: Final answer
    x = 301,712,779.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.