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Finding the Fourth Proportional to 85,232,288,007.20, 127,848,432,010.80 and 85,232,288,007.20

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Solution

The fourth proportional to 85,232,288,007.20, 127,848,432,010.80 and 85,232,288,007.20 is: 127,848,432,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232,288,007.20 : 127,848,432,010.80 = 85,232,288,007.20 : x
  2. Step 2: Convert to fraction form
    85,232,288,007.20/127,848,432,010.80 = 85,232,288,007.20/x
  3. Step 3: Cross multiply
    85,232,288,007.20x = 127,848,432,010.80 × 85,232,288,007.20
  4. Step 4: Simplify right side
    85,232,288,007.20x = 10,896,814,378,413,434,339,328
  5. Step 5: Solve for x
    x = 10,896,814,378,413,434,339,328/85,232,288,007.20
  6. Step 6: Final answer
    x = 127,848,432,010.80

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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.