Home / 480,335,052.54-720,361,234.89-217,867,758.78

Finding the Fourth Proportional to 480,335,052.54, 720,361,234.89 and 217,867,758.78

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Solution

The fourth proportional to 480,335,052.54, 720,361,234.89 and 217,867,758.78 is: 326,737,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,335,052.54 : 720,361,234.89 = 217,867,758.78 : x
  2. Step 2: Convert to fraction form
    480,335,052.54/720,361,234.89 = 217,867,758.78/x
  3. Step 3: Cross multiply
    480,335,052.54x = 720,361,234.89 × 217,867,758.78
  4. Step 4: Simplify right side
    480,335,052.54x = 156,943,487,757,477,440
  5. Step 5: Solve for x
    x = 156,943,487,757,477,440/480,335,052.54
  6. Step 6: Final answer
    x = 326,737,528.16

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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.