Home / 15,175,415,973.72-20,944,264,589.82-8,744,004,187.32

Finding the Fourth Proportional to 15,175,415,973.72, 20,944,264,589.82 and 8,744,004,187.32

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Solution

The fourth proportional to 15,175,415,973.72, 20,944,264,589.82 and 8,744,004,187.32 is: 12,067,987,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175,415,973.72 : 20,944,264,589.82 = 8,744,004,187.32 : x
  2. Step 2: Convert to fraction form
    15,175,415,973.72/20,944,264,589.82 = 8,744,004,187.32/x
  3. Step 3: Cross multiply
    15,175,415,973.72x = 20,944,264,589.82 × 8,744,004,187.32
  4. Step 4: Simplify right side
    15,175,415,973.72x = 183,136,737,273,724,076,032
  5. Step 5: Solve for x
    x = 183,136,737,273,724,076,032/15,175,415,973.72
  6. Step 6: Final answer
    x = 12,067,987,960.98

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1.5x scale

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.