Home / 296,470,074.75-408,890,145.48-260,629,883.88

Finding the Fourth Proportional to 296,470,074.75, 408,890,145.48 and 260,629,883.88

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Solution

The fourth proportional to 296,470,074.75, 408,890,145.48 and 260,629,883.88 is: 359,459,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,470,074.75 : 408,890,145.48 = 260,629,883.88 : x
  2. Step 2: Convert to fraction form
    296,470,074.75/408,890,145.48 = 260,629,883.88/x
  3. Step 3: Cross multiply
    296,470,074.75x = 408,890,145.48 × 260,629,883.88
  4. Step 4: Simplify right side
    296,470,074.75x = 106,568,991,136,128,704
  5. Step 5: Solve for x
    x = 106,568,991,136,128,704/296,470,074.75
  6. Step 6: Final answer
    x = 359,459,521.26

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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.