Home / 413,220,978.28-570,270,740.34-227,581,944.76

Finding the Fourth Proportional to 413,220,978.28, 570,270,740.34 and 227,581,944.76

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Solution

The fourth proportional to 413,220,978.28, 570,270,740.34 and 227,581,944.76 is: 314,077,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,220,978.28 : 570,270,740.34 = 227,581,944.76 : x
  2. Step 2: Convert to fraction form
    413,220,978.28/570,270,740.34 = 227,581,944.76/x
  3. Step 3: Cross multiply
    413,220,978.28x = 570,270,740.34 × 227,581,944.76
  4. Step 4: Simplify right side
    413,220,978.28x = 129,783,324,126,302,192
  5. Step 5: Solve for x
    x = 129,783,324,126,302,192/413,220,978.28
  6. Step 6: Final answer
    x = 314,077,287.81

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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.