Home / 217,181,832,449.72-299,752,423,774.38-143,808,648,201.56

Finding the Fourth Proportional to 217,181,832,449.72, 299,752,423,774.38 and 143,808,648,201.56

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Solution

The fourth proportional to 217,181,832,449.72, 299,752,423,774.38 and 143,808,648,201.56 is: 198,483,410,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,181,832,449.72 : 299,752,423,774.38 = 143,808,648,201.56 : x
  2. Step 2: Convert to fraction form
    217,181,832,449.72/299,752,423,774.38 = 143,808,648,201.56/x
  3. Step 3: Cross multiply
    217,181,832,449.72x = 299,752,423,774.38 × 143,808,648,201.56
  4. Step 4: Simplify right side
    217,181,832,449.72x = 43,106,990,858,134,743,941,120
  5. Step 5: Solve for x
    x = 43,106,990,858,134,743,941,120/217,181,832,449.72
  6. Step 6: Final answer
    x = 198,483,410,752.67

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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.