Home / 835,496,513.12-1,253,286,397.42-317,967,063.86

Finding the Fourth Proportional to 835,496,513.12, 1,253,286,397.42 and 317,967,063.86

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Solution

The fourth proportional to 835,496,513.12, 1,253,286,397.42 and 317,967,063.86 is: 476,966,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,496,513.12 : 1,253,286,397.42 = 317,967,063.86 : x
  2. Step 2: Convert to fraction form
    835,496,513.12/1,253,286,397.42 = 317,967,063.86/x
  3. Step 3: Cross multiply
    835,496,513.12x = 1,253,286,397.42 × 317,967,063.86
  4. Step 4: Simplify right side
    835,496,513.12x = 398,503,795,965,652,800
  5. Step 5: Solve for x
    x = 398,503,795,965,652,800/835,496,513.12
  6. Step 6: Final answer
    x = 476,966,438.17

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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.