Home / 314,928,310.80-472,392,466.20-200,042,576.40

Finding the Fourth Proportional to 314,928,310.80, 472,392,466.20 and 200,042,576.40

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Solution

The fourth proportional to 314,928,310.80, 472,392,466.20 and 200,042,576.40 is: 300,063,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,310.80 : 472,392,466.20 = 200,042,576.40 : x
  2. Step 2: Convert to fraction form
    314,928,310.80/472,392,466.20 = 200,042,576.40/x
  3. Step 3: Cross multiply
    314,928,310.80x = 472,392,466.20 × 200,042,576.40
  4. Step 4: Simplify right side
    314,928,310.80x = 94,498,606,010,597,920
  5. Step 5: Solve for x
    x = 94,498,606,010,597,920/314,928,310.80
  6. Step 6: Final answer
    x = 300,063,864.60

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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.