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Finding the Fourth Proportional to 45,845,998.40, 68,768,997.60 and 45,845,998.40

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Solution

The fourth proportional to 45,845,998.40, 68,768,997.60 and 45,845,998.40 is: 68,768,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,845,998.40 : 68,768,997.60 = 45,845,998.40 : x
  2. Step 2: Convert to fraction form
    45,845,998.40/68,768,997.60 = 45,845,998.40/x
  3. Step 3: Cross multiply
    45,845,998.40x = 68,768,997.60 × 45,845,998.40
  4. Step 4: Simplify right side
    45,845,998.40x = 3,152,783,353,939,203.50
  5. Step 5: Solve for x
    x = 3,152,783,353,939,203.50/45,845,998.40
  6. Step 6: Final answer
    x = 68,768,997.60

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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.