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Finding the Fourth Proportional to 1,322,958,542.16, 1,984,014,603.72 and 437,479,411.44

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Solution

The fourth proportional to 1,322,958,542.16, 1,984,014,603.72 and 437,479,411.44 is: 656,079,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,958,542.16 : 1,984,014,603.72 = 437,479,411.44 : x
  2. Step 2: Convert to fraction form
    1,322,958,542.16/1,984,014,603.72 = 437,479,411.44/x
  3. Step 3: Cross multiply
    1,322,958,542.16x = 1,984,014,603.72 × 437,479,411.44
  4. Step 4: Simplify right side
    1,322,958,542.16x = 867,965,541,123,790,464
  5. Step 5: Solve for x
    x = 867,965,541,123,790,464/1,322,958,542.16
  6. Step 6: Final answer
    x = 656,079,169.12

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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.