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Finding the Fourth Proportional to 222,187,221.60, 310,296,835.20 and 222,187,221.60

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Solution

The fourth proportional to 222,187,221.60, 310,296,835.20 and 222,187,221.60 is: 310,296,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,187,221.60 : 310,296,835.20 = 222,187,221.60 : x
  2. Step 2: Convert to fraction form
    222,187,221.60/310,296,835.20 = 222,187,221.60/x
  3. Step 3: Cross multiply
    222,187,221.60x = 310,296,835.20 × 222,187,221.60
  4. Step 4: Simplify right side
    222,187,221.60x = 68,943,991,684,361,072
  5. Step 5: Solve for x
    x = 68,943,991,684,361,072/222,187,221.60
  6. Step 6: Final answer
    x = 310,296,835.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.