Home / 613,519,495.86-920,298,139.50-268,295,422.26

Finding the Fourth Proportional to 613,519,495.86, 920,298,139.50 and 268,295,422.26

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Solution

The fourth proportional to 613,519,495.86, 920,298,139.50 and 268,295,422.26 is: 402,451,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,519,495.86 : 920,298,139.50 = 268,295,422.26 : x
  2. Step 2: Convert to fraction form
    613,519,495.86/920,298,139.50 = 268,295,422.26/x
  3. Step 3: Cross multiply
    613,519,495.86x = 920,298,139.50 × 268,295,422.26
  4. Step 4: Simplify right side
    613,519,495.86x = 246,911,777,942,244,864
  5. Step 5: Solve for x
    x = 246,911,777,942,244,864/613,519,495.86
  6. Step 6: Final answer
    x = 402,451,396.59

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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.