Home / 724,977,542.80-1,085,674,723.80-481,321,248.40

Finding the Fourth Proportional to 724,977,542.80, 1,085,674,723.80 and 481,321,248.40

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Solution

The fourth proportional to 724,977,542.80, 1,085,674,723.80 and 481,321,248.40 is: 720,792,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,977,542.80 : 1,085,674,723.80 = 481,321,248.40 : x
  2. Step 2: Convert to fraction form
    724,977,542.80/1,085,674,723.80 = 481,321,248.40/x
  3. Step 3: Cross multiply
    724,977,542.80x = 1,085,674,723.80 × 481,321,248.40
  4. Step 4: Simplify right side
    724,977,542.80x = 522,558,313,415,741,120
  5. Step 5: Solve for x
    x = 522,558,313,415,741,120/724,977,542.80
  6. Step 6: Final answer
    x = 720,792,414.34

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1.5x scale

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.