Home / 359,723,787.03-496,391,120.24-203,106,352.86

Finding the Fourth Proportional to 359,723,787.03, 496,391,120.24 and 203,106,352.86

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Solution

The fourth proportional to 359,723,787.03, 496,391,120.24 and 203,106,352.86 is: 280,271,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,723,787.03 : 496,391,120.24 = 203,106,352.86 : x
  2. Step 2: Convert to fraction form
    359,723,787.03/496,391,120.24 = 203,106,352.86/x
  3. Step 3: Cross multiply
    359,723,787.03x = 496,391,120.24 × 203,106,352.86
  4. Step 4: Simplify right side
    359,723,787.03x = 100,820,190,023,020,608
  5. Step 5: Solve for x
    x = 100,820,190,023,020,608/359,723,787.03
  6. Step 6: Final answer
    x = 280,271,123.73

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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.