Home / 763,973,306.62-1,145,958,530.55-239,382,568.87

Finding the Fourth Proportional to 763,973,306.62, 1,145,958,530.55 and 239,382,568.87

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Solution

The fourth proportional to 763,973,306.62, 1,145,958,530.55 and 239,382,568.87 is: 359,073,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,973,306.62 : 1,145,958,530.55 = 239,382,568.87 : x
  2. Step 2: Convert to fraction form
    763,973,306.62/1,145,958,530.55 = 239,382,568.87/x
  3. Step 3: Cross multiply
    763,973,306.62x = 1,145,958,530.55 × 239,382,568.87
  4. Step 4: Simplify right side
    763,973,306.62x = 274,322,496,861,549,376
  5. Step 5: Solve for x
    x = 274,322,496,861,549,376/763,973,306.62
  6. Step 6: Final answer
    x = 359,073,405.42

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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.