Home / 667,932,378.84-1,001,930,061.06-551,131,094.88

Finding the Fourth Proportional to 667,932,378.84, 1,001,930,061.06 and 551,131,094.88

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Solution

The fourth proportional to 667,932,378.84, 1,001,930,061.06 and 551,131,094.88 is: 826,722,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,932,378.84 : 1,001,930,061.06 = 551,131,094.88 : x
  2. Step 2: Convert to fraction form
    667,932,378.84/1,001,930,061.06 = 551,131,094.88/x
  3. Step 3: Cross multiply
    667,932,378.84x = 1,001,930,061.06 × 551,131,094.88
  4. Step 4: Simplify right side
    667,932,378.84x = 552,194,811,545,183,040
  5. Step 5: Solve for x
    x = 552,194,811,545,183,040/667,932,378.84
  6. Step 6: Final answer
    x = 826,722,627.98

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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.