Home / 405,765,403.49-559,896,518.16-227,140,007.90

Finding the Fourth Proportional to 405,765,403.49, 559,896,518.16 and 227,140,007.90

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Solution

The fourth proportional to 405,765,403.49, 559,896,518.16 and 227,140,007.90 is: 313,419,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,765,403.49 : 559,896,518.16 = 227,140,007.90 : x
  2. Step 2: Convert to fraction form
    405,765,403.49/559,896,518.16 = 227,140,007.90/x
  3. Step 3: Cross multiply
    405,765,403.49x = 559,896,518.16 × 227,140,007.90
  4. Step 4: Simplify right side
    405,765,403.49x = 127,174,899,555,245,408
  5. Step 5: Solve for x
    x = 127,174,899,555,245,408/405,765,403.49
  6. Step 6: Final answer
    x = 313,419,770.29

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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.