Home / 787,466,059.20-1,181,087,114.40-269,920,382.40

Finding the Fourth Proportional to 787,466,059.20, 1,181,087,114.40 and 269,920,382.40

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Solution

The fourth proportional to 787,466,059.20, 1,181,087,114.40 and 269,920,382.40 is: 404,842,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,466,059.20 : 1,181,087,114.40 = 269,920,382.40 : x
  2. Step 2: Convert to fraction form
    787,466,059.20/1,181,087,114.40 = 269,920,382.40/x
  3. Step 3: Cross multiply
    787,466,059.20x = 1,181,087,114.40 × 269,920,382.40
  4. Step 4: Simplify right side
    787,466,059.20x = 318,799,485,566,560,576
  5. Step 5: Solve for x
    x = 318,799,485,566,560,576/787,466,059.20
  6. Step 6: Final answer
    x = 404,842,192.04

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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.