Home / 545,751,008.40-818,626,512.60-503,660,881.20

Finding the Fourth Proportional to 545,751,008.40, 818,626,512.60 and 503,660,881.20

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Solution

The fourth proportional to 545,751,008.40, 818,626,512.60 and 503,660,881.20 is: 755,491,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,751,008.40 : 818,626,512.60 = 503,660,881.20 : x
  2. Step 2: Convert to fraction form
    545,751,008.40/818,626,512.60 = 503,660,881.20/x
  3. Step 3: Cross multiply
    545,751,008.40x = 818,626,512.60 × 503,660,881.20
  4. Step 4: Simplify right side
    545,751,008.40x = 412,310,150,709,798,912
  5. Step 5: Solve for x
    x = 412,310,150,709,798,912/545,751,008.40
  6. Step 6: Final answer
    x = 755,491,321.80

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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.