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Finding the Fourth Proportional to 200,302,601.60, 300,453,902.40 and 148,646,536.40

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Solution

The fourth proportional to 200,302,601.60, 300,453,902.40 and 148,646,536.40 is: 222,969,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,302,601.60 : 300,453,902.40 = 148,646,536.40 : x
  2. Step 2: Convert to fraction form
    200,302,601.60/300,453,902.40 = 148,646,536.40/x
  3. Step 3: Cross multiply
    200,302,601.60x = 300,453,902.40 × 148,646,536.40
  4. Step 4: Simplify right side
    200,302,601.60x = 44,661,431,939,623,648
  5. Step 5: Solve for x
    x = 44,661,431,939,623,648/200,302,601.60
  6. Step 6: Final answer
    x = 222,969,804.60

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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.