Home / 499,431,256.90-749,146,885.35-489,227,589.70

Finding the Fourth Proportional to 499,431,256.90, 749,146,885.35 and 489,227,589.70

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Solution

The fourth proportional to 499,431,256.90, 749,146,885.35 and 489,227,589.70 is: 733,841,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,431,256.90 : 749,146,885.35 = 489,227,589.70 : x
  2. Step 2: Convert to fraction form
    499,431,256.90/749,146,885.35 = 489,227,589.70/x
  3. Step 3: Cross multiply
    499,431,256.90x = 749,146,885.35 × 489,227,589.70
  4. Step 4: Simplify right side
    499,431,256.90x = 366,503,325,051,042,752
  5. Step 5: Solve for x
    x = 366,503,325,051,042,752/499,431,256.90
  6. Step 6: Final answer
    x = 733,841,384.55

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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.