Home / 486,504,603.88-730,022,569.45-206,341,939.55

Finding the Fourth Proportional to 486,504,603.88, 730,022,569.45 and 206,341,939.55

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Solution

The fourth proportional to 486,504,603.88, 730,022,569.45 and 206,341,939.55 is: 309,625,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,504,603.88 : 730,022,569.45 = 206,341,939.55 : x
  2. Step 2: Convert to fraction form
    486,504,603.88/730,022,569.45 = 206,341,939.55/x
  3. Step 3: Cross multiply
    486,504,603.88x = 730,022,569.45 × 206,341,939.55
  4. Step 4: Simplify right side
    486,504,603.88x = 150,634,272,896,896,768
  5. Step 5: Solve for x
    x = 150,634,272,896,896,768/486,504,603.88
  6. Step 6: Final answer
    x = 309,625,585.65

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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.