Home / 499,431,261.40-749,146,892.10-489,227,594.20

Finding the Fourth Proportional to 499,431,261.40, 749,146,892.10 and 489,227,594.20

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Solution

The fourth proportional to 499,431,261.40, 749,146,892.10 and 489,227,594.20 is: 733,841,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,431,261.40 : 749,146,892.10 = 489,227,594.20 : x
  2. Step 2: Convert to fraction form
    499,431,261.40/749,146,892.10 = 489,227,594.20/x
  3. Step 3: Cross multiply
    499,431,261.40x = 749,146,892.10 × 489,227,594.20
  4. Step 4: Simplify right side
    499,431,261.40x = 366,503,331,724,489,984
  5. Step 5: Solve for x
    x = 366,503,331,724,489,984/499,431,261.40
  6. Step 6: Final answer
    x = 733,841,391.30

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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.