Home / 962,143,130.71-1,327,757,520.43-522,109,982.71

Finding the Fourth Proportional to 962,143,130.71, 1,327,757,520.43 and 522,109,982.71

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Solution

The fourth proportional to 962,143,130.71, 1,327,757,520.43 and 522,109,982.71 is: 720,511,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,143,130.71 : 1,327,757,520.43 = 522,109,982.71 : x
  2. Step 2: Convert to fraction form
    962,143,130.71/1,327,757,520.43 = 522,109,982.71/x
  3. Step 3: Cross multiply
    962,143,130.71x = 1,327,757,520.43 × 522,109,982.71
  4. Step 4: Simplify right side
    962,143,130.71x = 693,235,456,028,180,992
  5. Step 5: Solve for x
    x = 693,235,456,028,180,992/962,143,130.71
  6. Step 6: Final answer
    x = 720,511,776.16

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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.