Home / 531,781,813.74-733,981,348.08-311,836,098.54

Finding the Fourth Proportional to 531,781,813.74, 733,981,348.08 and 311,836,098.54

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Solution

The fourth proportional to 531,781,813.74, 733,981,348.08 and 311,836,098.54 is: 430,405,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,781,813.74 : 733,981,348.08 = 311,836,098.54 : x
  2. Step 2: Convert to fraction form
    531,781,813.74/733,981,348.08 = 311,836,098.54/x
  3. Step 3: Cross multiply
    531,781,813.74x = 733,981,348.08 × 311,836,098.54
  4. Step 4: Simplify right side
    531,781,813.74x = 228,881,879,986,396,960
  5. Step 5: Solve for x
    x = 228,881,879,986,396,960/531,781,813.74
  6. Step 6: Final answer
    x = 430,405,617.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.