Home / 515,441,478.96-711,309,346.20-283,654,470.96

Finding the Fourth Proportional to 515,441,478.96, 711,309,346.20 and 283,654,470.96

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Solution

The fourth proportional to 515,441,478.96, 711,309,346.20 and 283,654,470.96 is: 391,443,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,441,478.96 : 711,309,346.20 = 283,654,470.96 : x
  2. Step 2: Convert to fraction form
    515,441,478.96/711,309,346.20 = 283,654,470.96/x
  3. Step 3: Cross multiply
    515,441,478.96x = 711,309,346.20 × 283,654,470.96
  4. Step 4: Simplify right side
    515,441,478.96x = 201,766,076,285,264,480
  5. Step 5: Solve for x
    x = 201,766,076,285,264,480/515,441,478.96
  6. Step 6: Final answer
    x = 391,443,227.84

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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.