Home / 445,824,010.70-668,736,016.05-413,538,969.95

Finding the Fourth Proportional to 445,824,010.70, 668,736,016.05 and 413,538,969.95

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Solution

The fourth proportional to 445,824,010.70, 668,736,016.05 and 413,538,969.95 is: 620,308,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,010.70 : 668,736,016.05 = 413,538,969.95 : x
  2. Step 2: Convert to fraction form
    445,824,010.70/668,736,016.05 = 413,538,969.95/x
  3. Step 3: Cross multiply
    445,824,010.70x = 668,736,016.05 × 413,538,969.95
  4. Step 4: Simplify right side
    445,824,010.70x = 276,548,403,245,783,648
  5. Step 5: Solve for x
    x = 276,548,403,245,783,648/445,824,010.70
  6. Step 6: Final answer
    x = 620,308,454.93

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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.