Home / 504,420,320.10-757,197,350.55-389,912,499.30

Finding the Fourth Proportional to 504,420,320.10, 757,197,350.55 and 389,912,499.30

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Solution

The fourth proportional to 504,420,320.10, 757,197,350.55 and 389,912,499.30 is: 585,306,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,420,320.10 : 757,197,350.55 = 389,912,499.30 : x
  2. Step 2: Convert to fraction form
    504,420,320.10/757,197,350.55 = 389,912,499.30/x
  3. Step 3: Cross multiply
    504,420,320.10x = 757,197,350.55 × 389,912,499.30
  4. Step 4: Simplify right side
    504,420,320.10x = 295,240,711,416,288,704
  5. Step 5: Solve for x
    x = 295,240,711,416,288,704/504,420,320.10
  6. Step 6: Final answer
    x = 585,306,934.82

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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.