Home / 228,245,321,862.84-342,070,153,299.72-127,512,120,517.98

Finding the Fourth Proportional to 228,245,321,862.84, 342,070,153,299.72 and 127,512,120,517.98

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Solution

The fourth proportional to 228,245,321,862.84, 342,070,153,299.72 and 127,512,120,517.98 is: 191,101,794,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,245,321,862.84 : 342,070,153,299.72 = 127,512,120,517.98 : x
  2. Step 2: Convert to fraction form
    228,245,321,862.84/342,070,153,299.72 = 127,512,120,517.98/x
  3. Step 3: Cross multiply
    228,245,321,862.84x = 342,070,153,299.72 × 127,512,120,517.98
  4. Step 4: Simplify right side
    228,245,321,862.84x = 43,618,090,613,157,784,453,120
  5. Step 5: Solve for x
    x = 43,618,090,613,157,784,453,120/228,245,321,862.84
  6. Step 6: Final answer
    x = 191,101,794,582.98

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1.5x scale

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.