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Finding the Fourth Proportional to 4,759,889,616.30, 7,139,834,424.45 and 4,759,889,616.30

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Solution

The fourth proportional to 4,759,889,616.30, 7,139,834,424.45 and 4,759,889,616.30 is: 7,139,834,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759,889,616.30 : 7,139,834,424.45 = 4,759,889,616.30 : x
  2. Step 2: Convert to fraction form
    4,759,889,616.30/7,139,834,424.45 = 4,759,889,616.30/x
  3. Step 3: Cross multiply
    4,759,889,616.30x = 7,139,834,424.45 × 4,759,889,616.30
  4. Step 4: Simplify right side
    4,759,889,616.30x = 33,984,823,739,040,841,728
  5. Step 5: Solve for x
    x = 33,984,823,739,040,841,728/4,759,889,616.30
  6. Step 6: Final answer
    x = 7,139,834,424.45

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1.5x scale

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.