Home / 520,825,609.44-719,335,858.68-343,004,399.28

Finding the Fourth Proportional to 520,825,609.44, 719,335,858.68 and 343,004,399.28

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Solution

The fourth proportional to 520,825,609.44, 719,335,858.68 and 343,004,399.28 is: 473,738,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,825,609.44 : 719,335,858.68 = 343,004,399.28 : x
  2. Step 2: Convert to fraction form
    520,825,609.44/719,335,858.68 = 343,004,399.28/x
  3. Step 3: Cross multiply
    520,825,609.44x = 719,335,858.68 × 343,004,399.28
  4. Step 4: Simplify right side
    520,825,609.44x = 246,735,364,087,096,320
  5. Step 5: Solve for x
    x = 246,735,364,087,096,320/520,825,609.44
  6. Step 6: Final answer
    x = 473,738,924.54

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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.