Home / 314,928,842.70-472,393,264.05-199,287,281.10

Finding the Fourth Proportional to 314,928,842.70, 472,393,264.05 and 199,287,281.10

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Solution

The fourth proportional to 314,928,842.70, 472,393,264.05 and 199,287,281.10 is: 298,930,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,842.70 : 472,393,264.05 = 199,287,281.10 : x
  2. Step 2: Convert to fraction form
    314,928,842.70/472,393,264.05 = 199,287,281.10/x
  3. Step 3: Cross multiply
    314,928,842.70x = 472,393,264.05 × 199,287,281.10
  4. Step 4: Simplify right side
    314,928,842.70x = 94,141,969,202,478,880
  5. Step 5: Solve for x
    x = 94,141,969,202,478,880/314,928,842.70
  6. Step 6: Final answer
    x = 298,930,921.65

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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.