Home / 344,428,979-516,885,573.78-311,498,241.08

Finding the Fourth Proportional to 344,428,979, 516,885,573.78 and 311,498,241.08

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Solution

The fourth proportional to 344,428,979, 516,885,573.78 and 311,498,241.08 is: 467,466,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,428,979 : 516,885,573.78 = 311,498,241.08 : x
  2. Step 2: Convert to fraction form
    344,428,979/516,885,573.78 = 311,498,241.08/x
  3. Step 3: Cross multiply
    344,428,979x = 516,885,573.78 × 311,498,241.08
  4. Step 4: Simplify right side
    344,428,979x = 161,008,947,072,096,544
  5. Step 5: Solve for x
    x = 161,008,947,072,096,544/344,428,979
  6. Step 6: Final answer
    x = 467,466,319.30

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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.