Home / 801,083,413.80-1,105,480,479.12-443,849,887.50

Finding the Fourth Proportional to 801,083,413.80, 1,105,480,479.12 and 443,849,887.50

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Solution

The fourth proportional to 801,083,413.80, 1,105,480,479.12 and 443,849,887.50 is: 612,504,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,083,413.80 : 1,105,480,479.12 = 443,849,887.50 : x
  2. Step 2: Convert to fraction form
    801,083,413.80/1,105,480,479.12 = 443,849,887.50/x
  3. Step 3: Cross multiply
    801,083,413.80x = 1,105,480,479.12 × 443,849,887.50
  4. Step 4: Simplify right side
    801,083,413.80x = 490,667,386,290,858,048
  5. Step 5: Solve for x
    x = 490,667,386,290,858,048/801,083,413.80
  6. Step 6: Final answer
    x = 612,504,737.76

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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.