Home / 772,731,360-1,158,949,191.42-300,030,413.76

Finding the Fourth Proportional to 772,731,360, 1,158,949,191.42 and 300,030,413.76

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Solution

The fourth proportional to 772,731,360, 1,158,949,191.42 and 300,030,413.76 is: 449,988,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,731,360 : 1,158,949,191.42 = 300,030,413.76 : x
  2. Step 2: Convert to fraction form
    772,731,360/1,158,949,191.42 = 300,030,413.76/x
  3. Step 3: Cross multiply
    772,731,360x = 1,158,949,191.42 × 300,030,413.76
  4. Step 4: Simplify right side
    772,731,360x = 347,720,005,428,560,064
  5. Step 5: Solve for x
    x = 347,720,005,428,560,064/772,731,360
  6. Step 6: Final answer
    x = 449,988,215.09

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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.