Home / 615,797,747.76-849,794,128-333,533,171.12

Finding the Fourth Proportional to 615,797,747.76, 849,794,128 and 333,533,171.12

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Solution

The fourth proportional to 615,797,747.76, 849,794,128 and 333,533,171.12 is: 460,272,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,797,747.76 : 849,794,128 = 333,533,171.12 : x
  2. Step 2: Convert to fraction form
    615,797,747.76/849,794,128 = 333,533,171.12/x
  3. Step 3: Cross multiply
    615,797,747.76x = 849,794,128 × 333,533,171.12
  4. Step 4: Simplify right side
    615,797,747.76x = 283,434,530,310,995,200
  5. Step 5: Solve for x
    x = 283,434,530,310,995,200/615,797,747.76
  6. Step 6: Final answer
    x = 460,272,112.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.