Home / 296,470,080.76-408,890,153.76-260,629,889.88

Finding the Fourth Proportional to 296,470,080.76, 408,890,153.76 and 260,629,889.88

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Solution

The fourth proportional to 296,470,080.76, 408,890,153.76 and 260,629,889.88 is: 359,459,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,470,080.76 : 408,890,153.76 = 260,629,889.88 : x
  2. Step 2: Convert to fraction form
    296,470,080.76/408,890,153.76 = 260,629,889.88/x
  3. Step 3: Cross multiply
    296,470,080.76x = 408,890,153.76 × 260,629,889.88
  4. Step 4: Simplify right side
    296,470,080.76x = 106,568,995,747,485,056
  5. Step 5: Solve for x
    x = 106,568,995,747,485,056/296,470,080.76
  6. Step 6: Final answer
    x = 359,459,529.52

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1.5x scale

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.