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Finding the Fourth Proportional to 8,667,344,945.16, 12,978,946,850.40 and 5,710,660,728.48

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Solution

The fourth proportional to 8,667,344,945.16, 12,978,946,850.40 and 5,710,660,728.48 is: 8,551,449,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,344,945.16 : 12,978,946,850.40 = 5,710,660,728.48 : x
  2. Step 2: Convert to fraction form
    8,667,344,945.16/12,978,946,850.40 = 5,710,660,728.48/x
  3. Step 3: Cross multiply
    8,667,344,945.16x = 12,978,946,850.40 × 5,710,660,728.48
  4. Step 4: Simplify right side
    8,667,344,945.16x = 74,118,362,075,608,465,408
  5. Step 5: Solve for x
    x = 74,118,362,075,608,465,408/8,667,344,945.16
  6. Step 6: Final answer
    x = 8,551,449,439.77

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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.