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Finding the Fourth Proportional to 3,993,706,988.52, 5,978,903,947.56 and 2,330,517,633

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Solution

The fourth proportional to 3,993,706,988.52, 5,978,903,947.56 and 2,330,517,633 is: 3,488,974,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,706,988.52 : 5,978,903,947.56 = 2,330,517,633 : x
  2. Step 2: Convert to fraction form
    3,993,706,988.52/5,978,903,947.56 = 2,330,517,633/x
  3. Step 3: Cross multiply
    3,993,706,988.52x = 5,978,903,947.56 × 2,330,517,633
  4. Step 4: Simplify right side
    3,993,706,988.52x = 13,933,941,075,801,888,768
  5. Step 5: Solve for x
    x = 13,933,941,075,801,888,768/3,993,706,988.52
  6. Step 6: Final answer
    x = 3,488,974,307.79

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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.