Home / 800,074,304.10-1,200,111,456.15-472,213,260.90

Finding the Fourth Proportional to 800,074,304.10, 1,200,111,456.15 and 472,213,260.90

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Solution

The fourth proportional to 800,074,304.10, 1,200,111,456.15 and 472,213,260.90 is: 708,319,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,074,304.10 : 1,200,111,456.15 = 472,213,260.90 : x
  2. Step 2: Convert to fraction form
    800,074,304.10/1,200,111,456.15 = 472,213,260.90/x
  3. Step 3: Cross multiply
    800,074,304.10x = 1,200,111,456.15 × 472,213,260.90
  4. Step 4: Simplify right side
    800,074,304.10x = 566,708,544,152,038,848
  5. Step 5: Solve for x
    x = 566,708,544,152,038,848/800,074,304.10
  6. Step 6: Final answer
    x = 708,319,891.35

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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.