Home / 3,979,552,445.15-5,966,183,397.22-1,986,571,654.43

Finding the Fourth Proportional to 3,979,552,445.15, 5,966,183,397.22 and 1,986,571,654.43

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Solution

The fourth proportional to 3,979,552,445.15, 5,966,183,397.22 and 1,986,571,654.43 is: 2,978,287,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,552,445.15 : 5,966,183,397.22 = 1,986,571,654.43 : x
  2. Step 2: Convert to fraction form
    3,979,552,445.15/5,966,183,397.22 = 1,986,571,654.43/x
  3. Step 3: Cross multiply
    3,979,552,445.15x = 5,966,183,397.22 × 1,986,571,654.43
  4. Step 4: Simplify right side
    3,979,552,445.15x = 11,852,250,822,013,335,552
  5. Step 5: Solve for x
    x = 11,852,250,822,013,335,552/3,979,552,445.15
  6. Step 6: Final answer
    x = 2,978,287,379.14

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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.