Home / 835,496,515.38-1,253,286,400.80-317,967,066.12

Finding the Fourth Proportional to 835,496,515.38, 1,253,286,400.80 and 317,967,066.12

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Solution

The fourth proportional to 835,496,515.38, 1,253,286,400.80 and 317,967,066.12 is: 476,966,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,496,515.38 : 1,253,286,400.80 = 317,967,066.12 : x
  2. Step 2: Convert to fraction form
    835,496,515.38/1,253,286,400.80 = 317,967,066.12/x
  3. Step 3: Cross multiply
    835,496,515.38x = 1,253,286,400.80 × 317,967,066.12
  4. Step 4: Simplify right side
    835,496,515.38x = 398,503,799,870,470,400
  5. Step 5: Solve for x
    x = 398,503,799,870,470,400/835,496,515.38
  6. Step 6: Final answer
    x = 476,966,441.55

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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.