Home / 980,481,923.52-1,352,299,614.21-628,090,679.22

Finding the Fourth Proportional to 980,481,923.52, 1,352,299,614.21 and 628,090,679.22

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Solution

The fourth proportional to 980,481,923.52, 1,352,299,614.21 and 628,090,679.22 is: 866,274,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,481,923.52 : 1,352,299,614.21 = 628,090,679.22 : x
  2. Step 2: Convert to fraction form
    980,481,923.52/1,352,299,614.21 = 628,090,679.22/x
  3. Step 3: Cross multiply
    980,481,923.52x = 1,352,299,614.21 × 628,090,679.22
  4. Step 4: Simplify right side
    980,481,923.52x = 849,366,783,198,102,912
  5. Step 5: Solve for x
    x = 849,366,783,198,102,912/980,481,923.52
  6. Step 6: Final answer
    x = 866,274,801.02

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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.