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Finding the Fourth Proportional to 468,681,868.44, 703,139,699.97 and 330,776,853.39

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Solution

The fourth proportional to 468,681,868.44, 703,139,699.97 and 330,776,853.39 is: 496,247,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,681,868.44 : 703,139,699.97 = 330,776,853.39 : x
  2. Step 2: Convert to fraction form
    468,681,868.44/703,139,699.97 = 330,776,853.39/x
  3. Step 3: Cross multiply
    468,681,868.44x = 703,139,699.97 × 330,776,853.39
  4. Step 4: Simplify right side
    468,681,868.44x = 232,582,337,449,665,280
  5. Step 5: Solve for x
    x = 232,582,337,449,665,280/468,681,868.44
  6. Step 6: Final answer
    x = 496,247,781.52

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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.