Home / 314,928,631.20-472,392,946.80-185,469,603.60

Finding the Fourth Proportional to 314,928,631.20, 472,392,946.80 and 185,469,603.60

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Solution

The fourth proportional to 314,928,631.20, 472,392,946.80 and 185,469,603.60 is: 278,204,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,631.20 : 472,392,946.80 = 185,469,603.60 : x
  2. Step 2: Convert to fraction form
    314,928,631.20/472,392,946.80 = 185,469,603.60/x
  3. Step 3: Cross multiply
    314,928,631.20x = 472,392,946.80 × 185,469,603.60
  4. Step 4: Simplify right side
    314,928,631.20x = 87,614,532,586,431,888
  5. Step 5: Solve for x
    x = 87,614,532,586,431,888/314,928,631.20
  6. Step 6: Final answer
    x = 278,204,405.40

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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.