Home / 509,175,626.42-764,143,627.72-345,024,072.02

Finding the Fourth Proportional to 509,175,626.42, 764,143,627.72 and 345,024,072.02

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Solution

The fourth proportional to 509,175,626.42, 764,143,627.72 and 345,024,072.02 is: 517,793,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,175,626.42 : 764,143,627.72 = 345,024,072.02 : x
  2. Step 2: Convert to fraction form
    509,175,626.42/764,143,627.72 = 345,024,072.02/x
  3. Step 3: Cross multiply
    509,175,626.42x = 764,143,627.72 × 345,024,072.02
  4. Step 4: Simplify right side
    509,175,626.42x = 263,647,946,044,089,344
  5. Step 5: Solve for x
    x = 263,647,946,044,089,344/509,175,626.42
  6. Step 6: Final answer
    x = 517,793,728.46

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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.