Home / 754,023,656.80-1,131,035,485.20-208,765,190.80

Finding the Fourth Proportional to 754,023,656.80, 1,131,035,485.20 and 208,765,190.80

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Solution

The fourth proportional to 754,023,656.80, 1,131,035,485.20 and 208,765,190.80 is: 313,147,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,023,656.80 : 1,131,035,485.20 = 208,765,190.80 : x
  2. Step 2: Convert to fraction form
    754,023,656.80/1,131,035,485.20 = 208,765,190.80/x
  3. Step 3: Cross multiply
    754,023,656.80x = 1,131,035,485.20 × 208,765,190.80
  4. Step 4: Simplify right side
    754,023,656.80x = 236,120,838,869,348,608
  5. Step 5: Solve for x
    x = 236,120,838,869,348,608/754,023,656.80
  6. Step 6: Final answer
    x = 313,147,786.20

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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.