Home / 296,470,069.11-408,890,137.74-260,629,878.24

Finding the Fourth Proportional to 296,470,069.11, 408,890,137.74 and 260,629,878.24

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Solution

The fourth proportional to 296,470,069.11, 408,890,137.74 and 260,629,878.24 is: 359,459,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,470,069.11 : 408,890,137.74 = 260,629,878.24 : x
  2. Step 2: Convert to fraction form
    296,470,069.11/408,890,137.74 = 260,629,878.24/x
  3. Step 3: Cross multiply
    296,470,069.11x = 408,890,137.74 × 260,629,878.24
  4. Step 4: Simplify right side
    296,470,069.11x = 106,568,986,814,350,864
  5. Step 5: Solve for x
    x = 106,568,986,814,350,864/296,470,069.11
  6. Step 6: Final answer
    x = 359,459,513.52

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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.