Home / 491,836,364.30-738,037,981.65-185,348,434.70

Finding the Fourth Proportional to 491,836,364.30, 738,037,981.65 and 185,348,434.70

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Solution

The fourth proportional to 491,836,364.30, 738,037,981.65 and 185,348,434.70 is: 278,129,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,836,364.30 : 738,037,981.65 = 185,348,434.70 : x
  2. Step 2: Convert to fraction form
    491,836,364.30/738,037,981.65 = 185,348,434.70/x
  3. Step 3: Cross multiply
    491,836,364.30x = 738,037,981.65 × 185,348,434.70
  4. Step 4: Simplify right side
    491,836,364.30x = 136,794,184,647,974,816
  5. Step 5: Solve for x
    x = 136,794,184,647,974,816/491,836,364.30
  6. Step 6: Final answer
    x = 278,129,464.55

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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.