Home / 472,392,503.20-708,588,754.80-395,864,999.20

Finding the Fourth Proportional to 472,392,503.20, 708,588,754.80 and 395,864,999.20

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Solution

The fourth proportional to 472,392,503.20, 708,588,754.80 and 395,864,999.20 is: 593,797,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,503.20 : 708,588,754.80 = 395,864,999.20 : x
  2. Step 2: Convert to fraction form
    472,392,503.20/708,588,754.80 = 395,864,999.20/x
  3. Step 3: Cross multiply
    472,392,503.20x = 708,588,754.80 × 395,864,999.20
  4. Step 4: Simplify right side
    472,392,503.20x = 280,505,486,852,030,976
  5. Step 5: Solve for x
    x = 280,505,486,852,030,976/472,392,503.20
  6. Step 6: Final answer
    x = 593,797,498.80

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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.