Home / 25,558,964,172.50-38,342,565,921.98-7,872,633,655.43

Finding the Fourth Proportional to 25,558,964,172.50, 38,342,565,921.98 and 7,872,633,655.43

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Solution

The fourth proportional to 25,558,964,172.50, 38,342,565,921.98 and 7,872,633,655.43 is: 11,810,219,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558,964,172.50 : 38,342,565,921.98 = 7,872,633,655.43 : x
  2. Step 2: Convert to fraction form
    25,558,964,172.50/38,342,565,921.98 = 7,872,633,655.43/x
  3. Step 3: Cross multiply
    25,558,964,172.50x = 38,342,565,921.98 × 7,872,633,655.43
  4. Step 4: Simplify right side
    25,558,964,172.50x = 301,856,974,912,923,172,864
  5. Step 5: Solve for x
    x = 301,856,974,912,923,172,864/25,558,964,172.50
  6. Step 6: Final answer
    x = 11,810,219,415.61

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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.