Home / 459,086,535.76-687,620,413.15-379,399,921.19

Finding the Fourth Proportional to 459,086,535.76, 687,620,413.15 and 379,399,921.19

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Solution

The fourth proportional to 459,086,535.76, 687,620,413.15 and 379,399,921.19 is: 568,265,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,086,535.76 : 687,620,413.15 = 379,399,921.19 : x
  2. Step 2: Convert to fraction form
    459,086,535.76/687,620,413.15 = 379,399,921.19/x
  3. Step 3: Cross multiply
    459,086,535.76x = 687,620,413.15 × 379,399,921.19
  4. Step 4: Simplify right side
    459,086,535.76x = 260,883,130,561,945,216
  5. Step 5: Solve for x
    x = 260,883,130,561,945,216/459,086,535.76
  6. Step 6: Final answer
    x = 568,265,697.73

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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.