Home / 398,835,780.93-550,485,210.51-233,876,494.53

Finding the Fourth Proportional to 398,835,780.93, 550,485,210.51 and 233,876,494.53

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Solution

The fourth proportional to 398,835,780.93, 550,485,210.51 and 233,876,494.53 is: 322,803,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,835,780.93 : 550,485,210.51 = 233,876,494.53 : x
  2. Step 2: Convert to fraction form
    398,835,780.93/550,485,210.51 = 233,876,494.53/x
  3. Step 3: Cross multiply
    398,835,780.93x = 550,485,210.51 × 233,876,494.53
  4. Step 4: Simplify right side
    398,835,780.93x = 128,745,551,324,687,904
  5. Step 5: Solve for x
    x = 128,745,551,324,687,904/398,835,780.93
  6. Step 6: Final answer
    x = 322,803,413.04

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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.