Home / 472,392,906.80-708,589,360.20-395,865,402.80

Finding the Fourth Proportional to 472,392,906.80, 708,589,360.20 and 395,865,402.80

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Solution

The fourth proportional to 472,392,906.80, 708,589,360.20 and 395,865,402.80 is: 593,798,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,906.80 : 708,589,360.20 = 395,865,402.80 : x
  2. Step 2: Convert to fraction form
    472,392,906.80/708,589,360.20 = 395,865,402.80/x
  3. Step 3: Cross multiply
    472,392,906.80x = 708,589,360.20 × 395,865,402.80
  4. Step 4: Simplify right side
    472,392,906.80x = 280,506,012,495,367,328
  5. Step 5: Solve for x
    x = 280,506,012,495,367,328/472,392,906.80
  6. Step 6: Final answer
    x = 593,798,104.20

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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.