Home / 323,431,618.40-485,147,427.60-314,928,562.40

Finding the Fourth Proportional to 323,431,618.40, 485,147,427.60 and 314,928,562.40

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Solution

The fourth proportional to 323,431,618.40, 485,147,427.60 and 314,928,562.40 is: 472,392,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,431,618.40 : 485,147,427.60 = 314,928,562.40 : x
  2. Step 2: Convert to fraction form
    323,431,618.40/485,147,427.60 = 314,928,562.40/x
  3. Step 3: Cross multiply
    323,431,618.40x = 485,147,427.60 × 314,928,562.40
  4. Step 4: Simplify right side
    323,431,618.40x = 152,786,781,926,126,080
  5. Step 5: Solve for x
    x = 152,786,781,926,126,080/323,431,618.40
  6. Step 6: Final answer
    x = 472,392,843.60

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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.