Home / 724,977,535.80-1,085,674,713.30-481,321,241.40

Finding the Fourth Proportional to 724,977,535.80, 1,085,674,713.30 and 481,321,241.40

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Solution

The fourth proportional to 724,977,535.80, 1,085,674,713.30 and 481,321,241.40 is: 720,792,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,977,535.80 : 1,085,674,713.30 = 481,321,241.40 : x
  2. Step 2: Convert to fraction form
    724,977,535.80/1,085,674,713.30 = 481,321,241.40/x
  3. Step 3: Cross multiply
    724,977,535.80x = 1,085,674,713.30 × 481,321,241.40
  4. Step 4: Simplify right side
    724,977,535.80x = 522,558,300,762,145,024
  5. Step 5: Solve for x
    x = 522,558,300,762,145,024/724,977,535.80
  6. Step 6: Final answer
    x = 720,792,403.84

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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.