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Finding the Fourth Proportional to 818,622,016.70, 1,227,933,025.05 and 818,622,016.70

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Solution

The fourth proportional to 818,622,016.70, 1,227,933,025.05 and 818,622,016.70 is: 1,227,933,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,622,016.70 : 1,227,933,025.05 = 818,622,016.70 : x
  2. Step 2: Convert to fraction form
    818,622,016.70/1,227,933,025.05 = 818,622,016.70/x
  3. Step 3: Cross multiply
    818,622,016.70x = 1,227,933,025.05 × 818,622,016.70
  4. Step 4: Simplify right side
    818,622,016.70x = 1,005,213,009,338,962,688
  5. Step 5: Solve for x
    x = 1,005,213,009,338,962,688/818,622,016.70
  6. Step 6: Final answer
    x = 1,227,933,025.05

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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.