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Finding the Fourth Proportional to 3,895,960,979.92, 5,843,859,594.73 and 948,257,043.29

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Solution

The fourth proportional to 3,895,960,979.92, 5,843,859,594.73 and 948,257,043.29 is: 1,422,365,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,960,979.92 : 5,843,859,594.73 = 948,257,043.29 : x
  2. Step 2: Convert to fraction form
    3,895,960,979.92/5,843,859,594.73 = 948,257,043.29/x
  3. Step 3: Cross multiply
    3,895,960,979.92x = 5,843,859,594.73 × 948,257,043.29
  4. Step 4: Simplify right side
    3,895,960,979.92x = 5,541,481,020,700,566,528
  5. Step 5: Solve for x
    x = 5,541,481,020,700,566,528/3,895,960,979.92
  6. Step 6: Final answer
    x = 1,422,365,636.94

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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.