Home / 408,541,312.54-563,960,972.88-274,656,876.86

Finding the Fourth Proportional to 408,541,312.54, 563,960,972.88 and 274,656,876.86

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Solution

The fourth proportional to 408,541,312.54, 563,960,972.88 and 274,656,876.86 is: 379,143,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,541,312.54 : 563,960,972.88 = 274,656,876.86 : x
  2. Step 2: Convert to fraction form
    408,541,312.54/563,960,972.88 = 274,656,876.86/x
  3. Step 3: Cross multiply
    408,541,312.54x = 563,960,972.88 × 274,656,876.86
  4. Step 4: Simplify right side
    408,541,312.54x = 154,895,759,482,147,968
  5. Step 5: Solve for x
    x = 154,895,759,482,147,968/408,541,312.54
  6. Step 6: Final answer
    x = 379,143,442.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.