Home / 646,900,291.79-969,962,042.85-296,707,687.70

Finding the Fourth Proportional to 646,900,291.79, 969,962,042.85 and 296,707,687.70

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Solution

The fourth proportional to 646,900,291.79, 969,962,042.85 and 296,707,687.70 is: 444,883,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,900,291.79 : 969,962,042.85 = 296,707,687.70 : x
  2. Step 2: Convert to fraction form
    646,900,291.79/969,962,042.85 = 296,707,687.70/x
  3. Step 3: Cross multiply
    646,900,291.79x = 969,962,042.85 × 296,707,687.70
  4. Step 4: Simplify right side
    646,900,291.79x = 287,795,194,885,942,016
  5. Step 5: Solve for x
    x = 287,795,194,885,942,016/646,900,291.79
  6. Step 6: Final answer
    x = 444,883,390.13

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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.