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Finding the Fourth Proportional to 667,343,999.40, 1,001,015,999.10 and 463,270,655.40

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Solution

The fourth proportional to 667,343,999.40, 1,001,015,999.10 and 463,270,655.40 is: 694,905,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,343,999.40 : 1,001,015,999.10 = 463,270,655.40 : x
  2. Step 2: Convert to fraction form
    667,343,999.40/1,001,015,999.10 = 463,270,655.40/x
  3. Step 3: Cross multiply
    667,343,999.40x = 1,001,015,999.10 × 463,270,655.40
  4. Step 4: Simplify right side
    667,343,999.40x = 463,741,337,968,942,784
  5. Step 5: Solve for x
    x = 463,741,337,968,942,784/667,343,999.40
  6. Step 6: Final answer
    x = 694,905,983.10

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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.