Home / 228,557,170,858.32-315,116,102,114.28-187,205,212,429.55

Finding the Fourth Proportional to 228,557,170,858.32, 315,116,102,114.28 and 187,205,212,429.55

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Solution

The fourth proportional to 228,557,170,858.32, 315,116,102,114.28 and 187,205,212,429.55 is: 258,103,373,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,557,170,858.32 : 315,116,102,114.28 = 187,205,212,429.55 : x
  2. Step 2: Convert to fraction form
    228,557,170,858.32/315,116,102,114.28 = 187,205,212,429.55/x
  3. Step 3: Cross multiply
    228,557,170,858.32x = 315,116,102,114.28 × 187,205,212,429.55
  4. Step 4: Simplify right side
    228,557,170,858.32x = 58,991,376,836,275,558,416,384
  5. Step 5: Solve for x
    x = 58,991,376,836,275,558,416,384/228,557,170,858.32
  6. Step 6: Final answer
    x = 258,103,373,500.56

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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.