Home / 356,305,096.02-491,526,303.78-309,196,049.65

Finding the Fourth Proportional to 356,305,096.02, 491,526,303.78 and 309,196,049.65

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Solution

The fourth proportional to 356,305,096.02, 491,526,303.78 and 309,196,049.65 is: 426,538,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,305,096.02 : 491,526,303.78 = 309,196,049.65 : x
  2. Step 2: Convert to fraction form
    356,305,096.02/491,526,303.78 = 309,196,049.65/x
  3. Step 3: Cross multiply
    356,305,096.02x = 491,526,303.78 × 309,196,049.65
  4. Step 4: Simplify right side
    356,305,096.02x = 151,977,991,427,841,856
  5. Step 5: Solve for x
    x = 151,977,991,427,841,856/356,305,096.02
  6. Step 6: Final answer
    x = 426,538,921.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.