Home / 540,621,738.72-746,053,500.24-305,718,524.64

Finding the Fourth Proportional to 540,621,738.72, 746,053,500.24 and 305,718,524.64

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Solution

The fourth proportional to 540,621,738.72, 746,053,500.24 and 305,718,524.64 is: 421,889,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,621,738.72 : 746,053,500.24 = 305,718,524.64 : x
  2. Step 2: Convert to fraction form
    540,621,738.72/746,053,500.24 = 305,718,524.64/x
  3. Step 3: Cross multiply
    540,621,738.72x = 746,053,500.24 × 305,718,524.64
  4. Step 4: Simplify right side
    540,621,738.72x = 228,082,375,395,880,672
  5. Step 5: Solve for x
    x = 228,082,375,395,880,672/540,621,738.72
  6. Step 6: Final answer
    x = 421,889,019.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.