Home / 647,136,002.10-970,704,003.15-238,107,515.70

Finding the Fourth Proportional to 647,136,002.10, 970,704,003.15 and 238,107,515.70

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Solution

The fourth proportional to 647,136,002.10, 970,704,003.15 and 238,107,515.70 is: 357,161,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,136,002.10 : 970,704,003.15 = 238,107,515.70 : x
  2. Step 2: Convert to fraction form
    647,136,002.10/970,704,003.15 = 238,107,515.70/x
  3. Step 3: Cross multiply
    647,136,002.10x = 970,704,003.15 × 238,107,515.70
  4. Step 4: Simplify right side
    647,136,002.10x = 231,131,918,670,091,456
  5. Step 5: Solve for x
    x = 231,131,918,670,091,456/647,136,002.10
  6. Step 6: Final answer
    x = 357,161,273.55

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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.