Home / 307,650,850.80-461,476,276.20-296,901,308.40

Finding the Fourth Proportional to 307,650,850.80, 461,476,276.20 and 296,901,308.40

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Solution

The fourth proportional to 307,650,850.80, 461,476,276.20 and 296,901,308.40 is: 445,351,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,650,850.80 : 461,476,276.20 = 296,901,308.40 : x
  2. Step 2: Convert to fraction form
    307,650,850.80/461,476,276.20 = 296,901,308.40/x
  3. Step 3: Cross multiply
    307,650,850.80x = 461,476,276.20 × 296,901,308.40
  4. Step 4: Simplify right side
    307,650,850.80x = 137,012,910,199,339,760
  5. Step 5: Solve for x
    x = 137,012,910,199,339,760/307,650,850.80
  6. Step 6: Final answer
    x = 445,351,962.60

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1.5x scale

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.