Home / 336,280,205.40-504,798,221.70-259,941,658.20

Finding the Fourth Proportional to 336,280,205.40, 504,798,221.70 and 259,941,658.20

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Solution

The fourth proportional to 336,280,205.40, 504,798,221.70 and 259,941,658.20 is: 390,204,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,280,205.40 : 504,798,221.70 = 259,941,658.20 : x
  2. Step 2: Convert to fraction form
    336,280,205.40/504,798,221.70 = 259,941,658.20/x
  3. Step 3: Cross multiply
    336,280,205.40x = 504,798,221.70 × 259,941,658.20
  4. Step 4: Simplify right side
    336,280,205.40x = 131,218,086,805,109,216
  5. Step 5: Solve for x
    x = 131,218,086,805,109,216/336,280,205.40
  6. Step 6: Final answer
    x = 390,204,611.21

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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.