Home / 798,597,079.20-1,197,895,618.80-281,023,408.80

Finding the Fourth Proportional to 798,597,079.20, 1,197,895,618.80 and 281,023,408.80

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Solution

The fourth proportional to 798,597,079.20, 1,197,895,618.80 and 281,023,408.80 is: 421,535,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,597,079.20 : 1,197,895,618.80 = 281,023,408.80 : x
  2. Step 2: Convert to fraction form
    798,597,079.20/1,197,895,618.80 = 281,023,408.80/x
  3. Step 3: Cross multiply
    798,597,079.20x = 1,197,895,618.80 × 281,023,408.80
  4. Step 4: Simplify right side
    798,597,079.20x = 336,636,710,181,761,344
  5. Step 5: Solve for x
    x = 336,636,710,181,761,344/798,597,079.20
  6. Step 6: Final answer
    x = 421,535,113.20

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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.