Home / 441,072,206.40-661,608,309.60-419,909,044.80

Finding the Fourth Proportional to 441,072,206.40, 661,608,309.60 and 419,909,044.80

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Solution

The fourth proportional to 441,072,206.40, 661,608,309.60 and 419,909,044.80 is: 629,863,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,072,206.40 : 661,608,309.60 = 419,909,044.80 : x
  2. Step 2: Convert to fraction form
    441,072,206.40/661,608,309.60 = 419,909,044.80/x
  3. Step 3: Cross multiply
    441,072,206.40x = 661,608,309.60 × 419,909,044.80
  4. Step 4: Simplify right side
    441,072,206.40x = 277,815,313,315,878,688
  5. Step 5: Solve for x
    x = 277,815,313,315,878,688/441,072,206.40
  6. Step 6: Final answer
    x = 629,863,567.20

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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.