Home / 448,914,219,144.38-619,496,687,147.54-243,143,339,653.70

Finding the Fourth Proportional to 448,914,219,144.38, 619,496,687,147.54 and 243,143,339,653.70

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Solution

The fourth proportional to 448,914,219,144.38, 619,496,687,147.54 and 243,143,339,653.70 is: 335,535,135,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,914,219,144.38 : 619,496,687,147.54 = 243,143,339,653.70 : x
  2. Step 2: Convert to fraction form
    448,914,219,144.38/619,496,687,147.54 = 243,143,339,653.70/x
  3. Step 3: Cross multiply
    448,914,219,144.38x = 619,496,687,147.54 × 243,143,339,653.70
  4. Step 4: Simplify right side
    448,914,219,144.38x = 150,626,493,417,456,266,117,120
  5. Step 5: Solve for x
    x = 150,626,493,417,456,266,117,120/448,914,219,144.38
  6. Step 6: Final answer
    x = 335,535,135,653.64

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.