Home / 680,150,793.60-1,020,226,190.40-271,270,051.20

Finding the Fourth Proportional to 680,150,793.60, 1,020,226,190.40 and 271,270,051.20

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Solution

The fourth proportional to 680,150,793.60, 1,020,226,190.40 and 271,270,051.20 is: 406,905,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,150,793.60 : 1,020,226,190.40 = 271,270,051.20 : x
  2. Step 2: Convert to fraction form
    680,150,793.60/1,020,226,190.40 = 271,270,051.20/x
  3. Step 3: Cross multiply
    680,150,793.60x = 1,020,226,190.40 × 271,270,051.20
  4. Step 4: Simplify right side
    680,150,793.60x = 276,756,810,905,388,928
  5. Step 5: Solve for x
    x = 276,756,810,905,388,928/680,150,793.60
  6. Step 6: Final answer
    x = 406,905,076.80

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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.