Home / 982,117,163.20-1,468,924,216.80-879,230,185.60

Finding the Fourth Proportional to 982,117,163.20, 1,468,924,216.80 and 879,230,185.60

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Solution

The fourth proportional to 982,117,163.20, 1,468,924,216.80 and 879,230,185.60 is: 1,315,039,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,117,163.20 : 1,468,924,216.80 = 879,230,185.60 : x
  2. Step 2: Convert to fraction form
    982,117,163.20/1,468,924,216.80 = 879,230,185.60/x
  3. Step 3: Cross multiply
    982,117,163.20x = 1,468,924,216.80 × 879,230,185.60
  4. Step 4: Simplify right side
    982,117,163.20x = 1,291,522,511,769,398,528
  5. Step 5: Solve for x
    x = 1,291,522,511,769,398,528/982,117,163.20
  6. Step 6: Final answer
    x = 1,315,039,142.13

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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.