Home / 743,434,766.91-1,115,279,195.93-306,496,598.43

Finding the Fourth Proportional to 743,434,766.91, 1,115,279,195.93 and 306,496,598.43

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Solution

The fourth proportional to 743,434,766.91, 1,115,279,195.93 and 306,496,598.43 is: 459,797,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,434,766.91 : 1,115,279,195.93 = 306,496,598.43 : x
  2. Step 2: Convert to fraction form
    743,434,766.91/1,115,279,195.93 = 306,496,598.43/x
  3. Step 3: Cross multiply
    743,434,766.91x = 1,115,279,195.93 × 306,496,598.43
  4. Step 4: Simplify right side
    743,434,766.91x = 341,829,279,850,758,016
  5. Step 5: Solve for x
    x = 341,829,279,850,758,016/743,434,766.91
  6. Step 6: Final answer
    x = 459,797,274.85

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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.