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Finding the Fourth Proportional to 8,662,366,573.90, 12,971,172,018.17 and 5,978,468,584.17

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Solution

The fourth proportional to 8,662,366,573.90, 12,971,172,018.17 and 5,978,468,584.17 is: 8,952,258,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,366,573.90 : 12,971,172,018.17 = 5,978,468,584.17 : x
  2. Step 2: Convert to fraction form
    8,662,366,573.90/12,971,172,018.17 = 5,978,468,584.17/x
  3. Step 3: Cross multiply
    8,662,366,573.90x = 12,971,172,018.17 × 5,978,468,584.17
  4. Step 4: Simplify right side
    8,662,366,573.90x = 77,547,744,410,512,261,120
  5. Step 5: Solve for x
    x = 77,547,744,410,512,261,120/8,662,366,573.90
  6. Step 6: Final answer
    x = 8,952,258,456.04

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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.