Home / 743,434,793.17-1,115,279,235.39-306,496,624.69

Finding the Fourth Proportional to 743,434,793.17, 1,115,279,235.39 and 306,496,624.69

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Solution

The fourth proportional to 743,434,793.17, 1,115,279,235.39 and 306,496,624.69 is: 459,797,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,434,793.17 : 1,115,279,235.39 = 306,496,624.69 : x
  2. Step 2: Convert to fraction form
    743,434,793.17/1,115,279,235.39 = 306,496,624.69/x
  3. Step 3: Cross multiply
    743,434,793.17x = 1,115,279,235.39 × 306,496,624.69
  4. Step 4: Simplify right side
    743,434,793.17x = 341,829,321,233,879,040
  5. Step 5: Solve for x
    x = 341,829,321,233,879,040/743,434,793.17
  6. Step 6: Final answer
    x = 459,797,314.27

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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.