Home / 545,751,010.80-818,626,516.20-218,383,354.80

Finding the Fourth Proportional to 545,751,010.80, 818,626,516.20 and 218,383,354.80

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Solution

The fourth proportional to 545,751,010.80, 818,626,516.20 and 218,383,354.80 is: 327,575,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,751,010.80 : 818,626,516.20 = 218,383,354.80 : x
  2. Step 2: Convert to fraction form
    545,751,010.80/818,626,516.20 = 218,383,354.80/x
  3. Step 3: Cross multiply
    545,751,010.80x = 818,626,516.20 × 218,383,354.80
  4. Step 4: Simplify right side
    545,751,010.80x = 178,774,404,935,992,576
  5. Step 5: Solve for x
    x = 178,774,404,935,992,576/545,751,010.80
  6. Step 6: Final answer
    x = 327,575,032.20

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Similar ratio
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1.5x scale

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.