Home / 405,012,081,807.69-558,865,302,096.43-222,061,040,255.31

Finding the Fourth Proportional to 405,012,081,807.69, 558,865,302,096.43 and 222,061,040,255.31

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Solution

The fourth proportional to 405,012,081,807.69, 558,865,302,096.43 and 222,061,040,255.31 is: 306,416,069,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,012,081,807.69 : 558,865,302,096.43 = 222,061,040,255.31 : x
  2. Step 2: Convert to fraction form
    405,012,081,807.69/558,865,302,096.43 = 222,061,040,255.31/x
  3. Step 3: Cross multiply
    405,012,081,807.69x = 558,865,302,096.43 × 222,061,040,255.31
  4. Step 4: Simplify right side
    405,012,081,807.69x = 124,102,210,346,131,344,326,656
  5. Step 5: Solve for x
    x = 124,102,210,346,131,344,326,656/405,012,081,807.69
  6. Step 6: Final answer
    x = 306,416,069,842.23

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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.