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Finding the Fourth Proportional to 443,995,163.84, 612,700,024.56 and 245,764,784

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Solution

The fourth proportional to 443,995,163.84, 612,700,024.56 and 245,764,784 is: 339,148,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,995,163.84 : 612,700,024.56 = 245,764,784 : x
  2. Step 2: Convert to fraction form
    443,995,163.84/612,700,024.56 = 245,764,784/x
  3. Step 3: Cross multiply
    443,995,163.84x = 612,700,024.56 × 245,764,784
  4. Step 4: Simplify right side
    443,995,163.84x = 150,580,089,192,783,072
  5. Step 5: Solve for x
    x = 150,580,089,192,783,072/443,995,163.84
  6. Step 6: Final answer
    x = 339,148,039.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.