Home / 647,136,001.60-970,704,002.40-238,107,515.20

Finding the Fourth Proportional to 647,136,001.60, 970,704,002.40 and 238,107,515.20

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Solution

The fourth proportional to 647,136,001.60, 970,704,002.40 and 238,107,515.20 is: 357,161,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,136,001.60 : 970,704,002.40 = 238,107,515.20 : x
  2. Step 2: Convert to fraction form
    647,136,001.60/970,704,002.40 = 238,107,515.20/x
  3. Step 3: Cross multiply
    647,136,001.60x = 970,704,002.40 × 238,107,515.20
  4. Step 4: Simplify right side
    647,136,001.60x = 231,131,918,006,158,816
  5. Step 5: Solve for x
    x = 231,131,918,006,158,816/647,136,001.60
  6. Step 6: Final answer
    x = 357,161,272.80

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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.