Home / 351,754,818.40-527,632,227.60-259,921,813.60

Finding the Fourth Proportional to 351,754,818.40, 527,632,227.60 and 259,921,813.60

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Solution

The fourth proportional to 351,754,818.40, 527,632,227.60 and 259,921,813.60 is: 389,882,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,754,818.40 : 527,632,227.60 = 259,921,813.60 : x
  2. Step 2: Convert to fraction form
    351,754,818.40/527,632,227.60 = 259,921,813.60/x
  3. Step 3: Cross multiply
    351,754,818.40x = 527,632,227.60 × 259,921,813.60
  4. Step 4: Simplify right side
    351,754,818.40x = 137,143,125,511,599,984
  5. Step 5: Solve for x
    x = 137,143,125,511,599,984/351,754,818.40
  6. Step 6: Final answer
    x = 389,882,720.40

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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.