Home / 327,403,897.80-491,105,846.70-284,357,176.80

Finding the Fourth Proportional to 327,403,897.80, 491,105,846.70 and 284,357,176.80

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Solution

The fourth proportional to 327,403,897.80, 491,105,846.70 and 284,357,176.80 is: 426,535,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,403,897.80 : 491,105,846.70 = 284,357,176.80 : x
  2. Step 2: Convert to fraction form
    327,403,897.80/491,105,846.70 = 284,357,176.80/x
  3. Step 3: Cross multiply
    327,403,897.80x = 491,105,846.70 × 284,357,176.80
  4. Step 4: Simplify right side
    327,403,897.80x = 139,649,472,077,585,600
  5. Step 5: Solve for x
    x = 139,649,472,077,585,600/327,403,897.80
  6. Step 6: Final answer
    x = 426,535,765.20

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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.