Home / 515,441,479.96-711,309,347.58-283,654,471.96

Finding the Fourth Proportional to 515,441,479.96, 711,309,347.58 and 283,654,471.96

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Solution

The fourth proportional to 515,441,479.96, 711,309,347.58 and 283,654,471.96 is: 391,443,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,441,479.96 : 711,309,347.58 = 283,654,471.96 : x
  2. Step 2: Convert to fraction form
    515,441,479.96/711,309,347.58 = 283,654,471.96/x
  3. Step 3: Cross multiply
    515,441,479.96x = 711,309,347.58 × 283,654,471.96
  4. Step 4: Simplify right side
    515,441,479.96x = 201,766,077,388,016,992
  5. Step 5: Solve for x
    x = 201,766,077,388,016,992/515,441,479.96
  6. Step 6: Final answer
    x = 391,443,229.22

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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.