Home / 545,912,608.20-818,868,912.30-303,575,512.20

Finding the Fourth Proportional to 545,912,608.20, 818,868,912.30 and 303,575,512.20

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Solution

The fourth proportional to 545,912,608.20, 818,868,912.30 and 303,575,512.20 is: 455,363,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,912,608.20 : 818,868,912.30 = 303,575,512.20 : x
  2. Step 2: Convert to fraction form
    545,912,608.20/818,868,912.30 = 303,575,512.20/x
  3. Step 3: Cross multiply
    545,912,608.20x = 818,868,912.30 × 303,575,512.20
  4. Step 4: Simplify right side
    545,912,608.20x = 248,588,549,476,129,344
  5. Step 5: Solve for x
    x = 248,588,549,476,129,344/545,912,608.20
  6. Step 6: Final answer
    x = 455,363,268.30

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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.