Home / 499,947,718.39-749,648,197.10-396,978,367.43

Finding the Fourth Proportional to 499,947,718.39, 749,648,197.10 and 396,978,367.43

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Solution

The fourth proportional to 499,947,718.39, 749,648,197.10 and 396,978,367.43 is: 595,250,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,947,718.39 : 749,648,197.10 = 396,978,367.43 : x
  2. Step 2: Convert to fraction form
    499,947,718.39/749,648,197.10 = 396,978,367.43/x
  3. Step 3: Cross multiply
    499,947,718.39x = 749,648,197.10 × 396,978,367.43
  4. Step 4: Simplify right side
    499,947,718.39x = 297,594,117,434,467,392
  5. Step 5: Solve for x
    x = 297,594,117,434,467,392/499,947,718.39
  6. Step 6: Final answer
    x = 595,250,476.18

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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.