Home / 493,162,618.24-680,575,410.12-281,465,202.72

Finding the Fourth Proportional to 493,162,618.24, 680,575,410.12 and 281,465,202.72

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Solution

The fourth proportional to 493,162,618.24, 680,575,410.12 and 281,465,202.72 is: 388,428,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,162,618.24 : 680,575,410.12 = 281,465,202.72 : x
  2. Step 2: Convert to fraction form
    493,162,618.24/680,575,410.12 = 281,465,202.72/x
  3. Step 3: Cross multiply
    493,162,618.24x = 680,575,410.12 × 281,465,202.72
  4. Step 4: Simplify right side
    493,162,618.24x = 191,558,295,775,672,960
  5. Step 5: Solve for x
    x = 191,558,295,775,672,960/493,162,618.24
  6. Step 6: Final answer
    x = 388,428,256.10

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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.