Home / 269,420,856.40-404,131,284.60-242,157,933.10

Finding the Fourth Proportional to 269,420,856.40, 404,131,284.60 and 242,157,933.10

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Solution

The fourth proportional to 269,420,856.40, 404,131,284.60 and 242,157,933.10 is: 363,236,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,420,856.40 : 404,131,284.60 = 242,157,933.10 : x
  2. Step 2: Convert to fraction form
    269,420,856.40/404,131,284.60 = 242,157,933.10/x
  3. Step 3: Cross multiply
    269,420,856.40x = 404,131,284.60 × 242,157,933.10
  4. Step 4: Simplify right side
    269,420,856.40x = 97,863,596,579,783,856
  5. Step 5: Solve for x
    x = 97,863,596,579,783,856/269,420,856.40
  6. Step 6: Final answer
    x = 363,236,899.65

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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.