Home / 3,620,449,793.70-5,430,674,690.55-3,129,717,174.30

Finding the Fourth Proportional to 3,620,449,793.70, 5,430,674,690.55 and 3,129,717,174.30

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Solution

The fourth proportional to 3,620,449,793.70, 5,430,674,690.55 and 3,129,717,174.30 is: 4,694,575,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,449,793.70 : 5,430,674,690.55 = 3,129,717,174.30 : x
  2. Step 2: Convert to fraction form
    3,620,449,793.70/5,430,674,690.55 = 3,129,717,174.30/x
  3. Step 3: Cross multiply
    3,620,449,793.70x = 5,430,674,690.55 × 3,129,717,174.30
  4. Step 4: Simplify right side
    3,620,449,793.70x = 16,996,475,847,050,674,176
  5. Step 5: Solve for x
    x = 16,996,475,847,050,674,176/3,620,449,793.70
  6. Step 6: Final answer
    x = 4,694,575,761.45

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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.