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Finding the Fourth Proportional to 3,443,641,384, 5,164,505,639.52 and 955,930,377.28

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Solution

The fourth proportional to 3,443,641,384, 5,164,505,639.52 and 955,930,377.28 is: 1,433,630,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443,641,384 : 5,164,505,639.52 = 955,930,377.28 : x
  2. Step 2: Convert to fraction form
    3,443,641,384/5,164,505,639.52 = 955,930,377.28/x
  3. Step 3: Cross multiply
    3,443,641,384x = 5,164,505,639.52 × 955,930,377.28
  4. Step 4: Simplify right side
    3,443,641,384x = 4,936,907,824,451,041,280
  5. Step 5: Solve for x
    x = 4,936,907,824,451,041,280/3,443,641,384
  6. Step 6: Final answer
    x = 1,433,630,065.95

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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.