Home / 3,486,520,121.28-5,231,320,526.88-1,828,030,891.20

Finding the Fourth Proportional to 3,486,520,121.28, 5,231,320,526.88 and 1,828,030,891.20

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Solution

The fourth proportional to 3,486,520,121.28, 5,231,320,526.88 and 1,828,030,891.20 is: 2,742,853,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,520,121.28 : 5,231,320,526.88 = 1,828,030,891.20 : x
  2. Step 2: Convert to fraction form
    3,486,520,121.28/5,231,320,526.88 = 1,828,030,891.20/x
  3. Step 3: Cross multiply
    3,486,520,121.28x = 5,231,320,526.88 × 1,828,030,891.20
  4. Step 4: Simplify right side
    3,486,520,121.28x = 9,563,015,524,905,299,968
  5. Step 5: Solve for x
    x = 9,563,015,524,905,299,968/3,486,520,121.28
  6. Step 6: Final answer
    x = 2,742,853,961.04

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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.