Home / 706,129,243.20-1,059,193,864.80-221,454,273.60

Finding the Fourth Proportional to 706,129,243.20, 1,059,193,864.80 and 221,454,273.60

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Solution

The fourth proportional to 706,129,243.20, 1,059,193,864.80 and 221,454,273.60 is: 332,181,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,129,243.20 : 1,059,193,864.80 = 221,454,273.60 : x
  2. Step 2: Convert to fraction form
    706,129,243.20/1,059,193,864.80 = 221,454,273.60/x
  3. Step 3: Cross multiply
    706,129,243.20x = 1,059,193,864.80 × 221,454,273.60
  4. Step 4: Simplify right side
    706,129,243.20x = 234,563,007,930,860,608
  5. Step 5: Solve for x
    x = 234,563,007,930,860,608/706,129,243.20
  6. Step 6: Final answer
    x = 332,181,410.40

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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.