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Finding the Fourth Proportional to 85,100,556,000.40, 127,650,834,000.60 and 85,100,556,000.40

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Solution

The fourth proportional to 85,100,556,000.40, 127,650,834,000.60 and 85,100,556,000.40 is: 127,650,834,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,556,000.40 : 127,650,834,000.60 = 85,100,556,000.40 : x
  2. Step 2: Convert to fraction form
    85,100,556,000.40/127,650,834,000.60 = 85,100,556,000.40/x
  3. Step 3: Cross multiply
    85,100,556,000.40x = 127,650,834,000.60 × 85,100,556,000.40
  4. Step 4: Simplify right side
    85,100,556,000.40x = 10,863,156,947,365,824,299,008
  5. Step 5: Solve for x
    x = 10,863,156,947,365,824,299,008/85,100,556,000.40
  6. Step 6: Final answer
    x = 127,650,834,000.60

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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.