Home / 311,677,608.60-467,208,045.90-147,627,020.70

Finding the Fourth Proportional to 311,677,608.60, 467,208,045.90 and 147,627,020.70

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Solution

The fourth proportional to 311,677,608.60, 467,208,045.90 and 147,627,020.70 is: 221,294,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,677,608.60 : 467,208,045.90 = 147,627,020.70 : x
  2. Step 2: Convert to fraction form
    311,677,608.60/467,208,045.90 = 147,627,020.70/x
  3. Step 3: Cross multiply
    311,677,608.60x = 467,208,045.90 × 147,627,020.70
  4. Step 4: Simplify right side
    311,677,608.60x = 68,972,531,863,285,840
  5. Step 5: Solve for x
    x = 68,972,531,863,285,840/311,677,608.60
  6. Step 6: Final answer
    x = 221,294,472.11

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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.