Home / 34,565,114,771.31-47,707,531,995.86-21,013,872,467.21

Finding the Fourth Proportional to 34,565,114,771.31, 47,707,531,995.86 and 21,013,872,467.21

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Solution

The fourth proportional to 34,565,114,771.31, 47,707,531,995.86 and 21,013,872,467.21 is: 29,003,809,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,565,114,771.31 : 47,707,531,995.86 = 21,013,872,467.21 : x
  2. Step 2: Convert to fraction form
    34,565,114,771.31/47,707,531,995.86 = 21,013,872,467.21/x
  3. Step 3: Cross multiply
    34,565,114,771.31x = 47,707,531,995.86 × 21,013,872,467.21
  4. Step 4: Simplify right side
    34,565,114,771.31x = 1,002,519,993,086,342,594,560
  5. Step 5: Solve for x
    x = 1,002,519,993,086,342,594,560/34,565,114,771.31
  6. Step 6: Final answer
    x = 29,003,809,179.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.