Home / 472,396,204.20-708,594,306.30-342,299,447.40

Finding the Fourth Proportional to 472,396,204.20, 708,594,306.30 and 342,299,447.40

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Solution

The fourth proportional to 472,396,204.20, 708,594,306.30 and 342,299,447.40 is: 513,449,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,204.20 : 708,594,306.30 = 342,299,447.40 : x
  2. Step 2: Convert to fraction form
    472,396,204.20/708,594,306.30 = 342,299,447.40/x
  3. Step 3: Cross multiply
    472,396,204.20x = 708,594,306.30 × 342,299,447.40
  4. Step 4: Simplify right side
    472,396,204.20x = 242,551,439,477,276,320
  5. Step 5: Solve for x
    x = 242,551,439,477,276,320/472,396,204.20
  6. Step 6: Final answer
    x = 513,449,171.10

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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.