Home / 726,952,645.20-1,090,727,566.20-267,111,109.20

Finding the Fourth Proportional to 726,952,645.20, 1,090,727,566.20 and 267,111,109.20

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Solution

The fourth proportional to 726,952,645.20, 1,090,727,566.20 and 267,111,109.20 is: 400,776,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,952,645.20 : 1,090,727,566.20 = 267,111,109.20 : x
  2. Step 2: Convert to fraction form
    726,952,645.20/1,090,727,566.20 = 267,111,109.20/x
  3. Step 3: Cross multiply
    726,952,645.20x = 1,090,727,566.20 × 267,111,109.20
  4. Step 4: Simplify right side
    726,952,645.20x = 291,345,450,042,698,432
  5. Step 5: Solve for x
    x = 291,345,450,042,698,432/726,952,645.20
  6. Step 6: Final answer
    x = 400,776,380.64

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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.