Home / 630,193,984.98-945,431,515.70-193,538,736.24

Finding the Fourth Proportional to 630,193,984.98, 945,431,515.70 and 193,538,736.24

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Solution

The fourth proportional to 630,193,984.98, 945,431,515.70 and 193,538,736.24 is: 290,351,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,193,984.98 : 945,431,515.70 = 193,538,736.24 : x
  2. Step 2: Convert to fraction form
    630,193,984.98/945,431,515.70 = 193,538,736.24/x
  3. Step 3: Cross multiply
    630,193,984.98x = 945,431,515.70 × 193,538,736.24
  4. Step 4: Simplify right side
    630,193,984.98x = 182,977,620,750,045,728
  5. Step 5: Solve for x
    x = 182,977,620,750,045,728/630,193,984.98
  6. Step 6: Final answer
    x = 290,351,265.02

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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.