Home / 465,202,639.72-641,983,859.94-256,366,265.32

Finding the Fourth Proportional to 465,202,639.72, 641,983,859.94 and 256,366,265.32

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Solution

The fourth proportional to 465,202,639.72, 641,983,859.94 and 256,366,265.32 is: 353,787,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,202,639.72 : 641,983,859.94 = 256,366,265.32 : x
  2. Step 2: Convert to fraction form
    465,202,639.72/641,983,859.94 = 256,366,265.32/x
  3. Step 3: Cross multiply
    465,202,639.72x = 641,983,859.94 × 256,366,265.32
  4. Step 4: Simplify right side
    465,202,639.72x = 164,583,004,568,535,776
  5. Step 5: Solve for x
    x = 164,583,004,568,535,776/465,202,639.72
  6. Step 6: Final answer
    x = 353,787,770.14

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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.