Home / 511,066,865.40-766,600,298.10-327,400,855.80

Finding the Fourth Proportional to 511,066,865.40, 766,600,298.10 and 327,400,855.80

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Solution

The fourth proportional to 511,066,865.40, 766,600,298.10 and 327,400,855.80 is: 491,101,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,066,865.40 : 766,600,298.10 = 327,400,855.80 : x
  2. Step 2: Convert to fraction form
    511,066,865.40/766,600,298.10 = 327,400,855.80/x
  3. Step 3: Cross multiply
    511,066,865.40x = 766,600,298.10 × 327,400,855.80
  4. Step 4: Simplify right side
    511,066,865.40x = 250,985,593,654,475,136
  5. Step 5: Solve for x
    x = 250,985,593,654,475,136/511,066,865.40
  6. Step 6: Final answer
    x = 491,101,283.70

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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.