Home / 367,009,229.60-550,513,844.40-221,890,407.20

Finding the Fourth Proportional to 367,009,229.60, 550,513,844.40 and 221,890,407.20

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Solution

The fourth proportional to 367,009,229.60, 550,513,844.40 and 221,890,407.20 is: 332,835,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009,229.60 : 550,513,844.40 = 221,890,407.20 : x
  2. Step 2: Convert to fraction form
    367,009,229.60/550,513,844.40 = 221,890,407.20/x
  3. Step 3: Cross multiply
    367,009,229.60x = 550,513,844.40 × 221,890,407.20
  4. Step 4: Simplify right side
    367,009,229.60x = 122,153,741,103,153,424
  5. Step 5: Solve for x
    x = 122,153,741,103,153,424/367,009,229.60
  6. Step 6: Final answer
    x = 332,835,610.80

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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.