Home / 441,072,194.40-661,608,291.60-419,909,032.80

Finding the Fourth Proportional to 441,072,194.40, 661,608,291.60 and 419,909,032.80

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Solution

The fourth proportional to 441,072,194.40, 661,608,291.60 and 419,909,032.80 is: 629,863,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,072,194.40 : 661,608,291.60 = 419,909,032.80 : x
  2. Step 2: Convert to fraction form
    441,072,194.40/661,608,291.60 = 419,909,032.80/x
  3. Step 3: Cross multiply
    441,072,194.40x = 661,608,291.60 × 419,909,032.80
  4. Step 4: Simplify right side
    441,072,194.40x = 277,815,297,818,216,384
  5. Step 5: Solve for x
    x = 277,815,297,818,216,384/441,072,194.40
  6. Step 6: Final answer
    x = 629,863,549.20

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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.