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Finding the Fourth Proportional to 609,349,089.87, 913,481,564.99 and 264,114,387.45

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Solution

The fourth proportional to 609,349,089.87, 913,481,564.99 and 264,114,387.45 is: 395,936,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,349,089.87 : 913,481,564.99 = 264,114,387.45 : x
  2. Step 2: Convert to fraction form
    609,349,089.87/913,481,564.99 = 264,114,387.45/x
  3. Step 3: Cross multiply
    609,349,089.87x = 913,481,564.99 × 264,114,387.45
  4. Step 4: Simplify right side
    609,349,089.87x = 241,263,623,982,880,640
  5. Step 5: Solve for x
    x = 241,263,623,982,880,640/609,349,089.87
  6. Step 6: Final answer
    x = 395,936,628.11

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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.