Home / 423,969,390.25-635,954,316.05-132,859,296.48

Finding the Fourth Proportional to 423,969,390.25, 635,954,316.05 and 132,859,296.48

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Solution

The fourth proportional to 423,969,390.25, 635,954,316.05 and 132,859,296.48 is: 199,289,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,969,390.25 : 635,954,316.05 = 132,859,296.48 : x
  2. Step 2: Convert to fraction form
    423,969,390.25/635,954,316.05 = 132,859,296.48/x
  3. Step 3: Cross multiply
    423,969,390.25x = 635,954,316.05 × 132,859,296.48
  4. Step 4: Simplify right side
    423,969,390.25x = 84,492,443,022,965,488
  5. Step 5: Solve for x
    x = 84,492,443,022,965,488/423,969,390.25
  6. Step 6: Final answer
    x = 199,289,017.00

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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.