Home / 639,529,216.60-959,293,824.90-367,431,424.60

Finding the Fourth Proportional to 639,529,216.60, 959,293,824.90 and 367,431,424.60

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Solution

The fourth proportional to 639,529,216.60, 959,293,824.90 and 367,431,424.60 is: 551,147,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,529,216.60 : 959,293,824.90 = 367,431,424.60 : x
  2. Step 2: Convert to fraction form
    639,529,216.60/959,293,824.90 = 367,431,424.60/x
  3. Step 3: Cross multiply
    639,529,216.60x = 959,293,824.90 × 367,431,424.60
  4. Step 4: Simplify right side
    639,529,216.60x = 352,474,696,692,989,952
  5. Step 5: Solve for x
    x = 352,474,696,692,989,952/639,529,216.60
  6. Step 6: Final answer
    x = 551,147,136.90

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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.