Home / 711,557,132.20-1,067,237,283.30-220,607,999.80

Finding the Fourth Proportional to 711,557,132.20, 1,067,237,283.30 and 220,607,999.80

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Solution

The fourth proportional to 711,557,132.20, 1,067,237,283.30 and 220,607,999.80 is: 330,881,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,557,132.20 : 1,067,237,283.30 = 220,607,999.80 : x
  2. Step 2: Convert to fraction form
    711,557,132.20/1,067,237,283.30 = 220,607,999.80/x
  3. Step 3: Cross multiply
    711,557,132.20x = 1,067,237,283.30 × 220,607,999.80
  4. Step 4: Simplify right side
    711,557,132.20x = 235,441,082,380,798,944
  5. Step 5: Solve for x
    x = 235,441,082,380,798,944/711,557,132.20
  6. Step 6: Final answer
    x = 330,881,487.55

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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.