Home / 545,751,025.80-818,626,538.70-218,064,505.20

Finding the Fourth Proportional to 545,751,025.80, 818,626,538.70 and 218,064,505.20

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Solution

The fourth proportional to 545,751,025.80, 818,626,538.70 and 218,064,505.20 is: 327,096,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,751,025.80 : 818,626,538.70 = 218,064,505.20 : x
  2. Step 2: Convert to fraction form
    545,751,025.80/818,626,538.70 = 218,064,505.20/x
  3. Step 3: Cross multiply
    545,751,025.80x = 818,626,538.70 × 218,064,505.20
  4. Step 4: Simplify right side
    545,751,025.80x = 178,513,391,105,204,160
  5. Step 5: Solve for x
    x = 178,513,391,105,204,160/545,751,025.80
  6. Step 6: Final answer
    x = 327,096,757.80

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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.