Home / 217,181,832,450.72-299,752,423,775.76-143,808,648,202.56

Finding the Fourth Proportional to 217,181,832,450.72, 299,752,423,775.76 and 143,808,648,202.56

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Solution

The fourth proportional to 217,181,832,450.72, 299,752,423,775.76 and 143,808,648,202.56 is: 198,483,410,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,181,832,450.72 : 299,752,423,775.76 = 143,808,648,202.56 : x
  2. Step 2: Convert to fraction form
    217,181,832,450.72/299,752,423,775.76 = 143,808,648,202.56/x
  3. Step 3: Cross multiply
    217,181,832,450.72x = 299,752,423,775.76 × 143,808,648,202.56
  4. Step 4: Simplify right side
    217,181,832,450.72x = 43,106,990,858,632,951,758,848
  5. Step 5: Solve for x
    x = 43,106,990,858,632,951,758,848/217,181,832,450.72
  6. Step 6: Final answer
    x = 198,483,410,754.05

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Double scale
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1.5x scale

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.