Home / 847,747,242.43-1,271,681,398.10-225,959,217.26

Finding the Fourth Proportional to 847,747,242.43, 1,271,681,398.10 and 225,959,217.26

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Solution

The fourth proportional to 847,747,242.43, 1,271,681,398.10 and 225,959,217.26 is: 338,954,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,747,242.43 : 1,271,681,398.10 = 225,959,217.26 : x
  2. Step 2: Convert to fraction form
    847,747,242.43/1,271,681,398.10 = 225,959,217.26/x
  3. Step 3: Cross multiply
    847,747,242.43x = 1,271,681,398.10 × 225,959,217.26
  4. Step 4: Simplify right side
    847,747,242.43x = 287,348,133,312,984,928
  5. Step 5: Solve for x
    x = 287,348,133,312,984,928/847,747,242.43
  6. Step 6: Final answer
    x = 338,954,960.79

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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.