Home / 409,086,031.44-613,629,052.29-98,193,646.65

Finding the Fourth Proportional to 409,086,031.44, 613,629,052.29 and 98,193,646.65

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Solution

The fourth proportional to 409,086,031.44, 613,629,052.29 and 98,193,646.65 is: 147,290,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,086,031.44 : 613,629,052.29 = 98,193,646.65 : x
  2. Step 2: Convert to fraction form
    409,086,031.44/613,629,052.29 = 98,193,646.65/x
  3. Step 3: Cross multiply
    409,086,031.44x = 613,629,052.29 × 98,193,646.65
  4. Step 4: Simplify right side
    409,086,031.44x = 60,254,474,334,738,632
  5. Step 5: Solve for x
    x = 60,254,474,334,738,632/409,086,031.44
  6. Step 6: Final answer
    x = 147,290,471.21

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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.