Home / 291,180,096,000.40-436,770,144,000.60-142,043,296,205.20

Finding the Fourth Proportional to 291,180,096,000.40, 436,770,144,000.60 and 142,043,296,205.20

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Solution

The fourth proportional to 291,180,096,000.40, 436,770,144,000.60 and 142,043,296,205.20 is: 213,064,944,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,180,096,000.40 : 436,770,144,000.60 = 142,043,296,205.20 : x
  2. Step 2: Convert to fraction form
    291,180,096,000.40/436,770,144,000.60 = 142,043,296,205.20/x
  3. Step 3: Cross multiply
    291,180,096,000.40x = 436,770,144,000.60 × 142,043,296,205.20
  4. Step 4: Simplify right side
    291,180,096,000.40x = 62,040,270,937,865,085,517,824
  5. Step 5: Solve for x
    x = 62,040,270,937,865,085,517,824/291,180,096,000.40
  6. Step 6: Final answer
    x = 213,064,944,307.80

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Double scale
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Similar ratio
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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.