Home / 317,045,780.20-475,120,772.70-234,520,647.40

Finding the Fourth Proportional to 317,045,780.20, 475,120,772.70 and 234,520,647.40

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Solution

The fourth proportional to 317,045,780.20, 475,120,772.70 and 234,520,647.40 is: 351,449,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,045,780.20 : 475,120,772.70 = 234,520,647.40 : x
  2. Step 2: Convert to fraction form
    317,045,780.20/475,120,772.70 = 234,520,647.40/x
  3. Step 3: Cross multiply
    317,045,780.20x = 475,120,772.70 × 234,520,647.40
  4. Step 4: Simplify right side
    317,045,780.20x = 111,425,631,206,792,240
  5. Step 5: Solve for x
    x = 111,425,631,206,792,240/317,045,780.20
  6. Step 6: Final answer
    x = 351,449,658.58

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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.