Home / 509,649,961.95-764,350,716.15-141,175,344.60

Finding the Fourth Proportional to 509,649,961.95, 764,350,716.15 and 141,175,344.60

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Solution

The fourth proportional to 509,649,961.95, 764,350,716.15 and 141,175,344.60 is: 211,728,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,649,961.95 : 764,350,716.15 = 141,175,344.60 : x
  2. Step 2: Convert to fraction form
    509,649,961.95/764,350,716.15 = 141,175,344.60/x
  3. Step 3: Cross multiply
    509,649,961.95x = 764,350,716.15 × 141,175,344.60
  4. Step 4: Simplify right side
    509,649,961.95x = 107,907,475,747,733,024
  5. Step 5: Solve for x
    x = 107,907,475,747,733,024/509,649,961.95
  6. Step 6: Final answer
    x = 211,728,605.52

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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.