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Finding the Fourth Proportional to 75,152,620,010.40, 112,728,930,015.60 and 75,152,620,010.40

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Solution

The fourth proportional to 75,152,620,010.40, 112,728,930,015.60 and 75,152,620,010.40 is: 112,728,930,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,152,620,010.40 : 112,728,930,015.60 = 75,152,620,010.40 : x
  2. Step 2: Convert to fraction form
    75,152,620,010.40/112,728,930,015.60 = 75,152,620,010.40/x
  3. Step 3: Cross multiply
    75,152,620,010.40x = 112,728,930,015.60 × 75,152,620,010.40
  4. Step 4: Simplify right side
    75,152,620,010.40x = 8,471,874,441,641,361,145,856
  5. Step 5: Solve for x
    x = 8,471,874,441,641,361,145,856/75,152,620,010.40
  6. Step 6: Final answer
    x = 112,728,930,015.60

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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.