Home / 399,159,085.84-550,833,735.91-222,949,587.13

Finding the Fourth Proportional to 399,159,085.84, 550,833,735.91 and 222,949,587.13

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Solution

The fourth proportional to 399,159,085.84, 550,833,735.91 and 222,949,587.13 is: 307,667,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,159,085.84 : 550,833,735.91 = 222,949,587.13 : x
  2. Step 2: Convert to fraction form
    399,159,085.84/550,833,735.91 = 222,949,587.13/x
  3. Step 3: Cross multiply
    399,159,085.84x = 550,833,735.91 × 222,949,587.13
  4. Step 4: Simplify right side
    399,159,085.84x = 122,808,153,998,409,952
  5. Step 5: Solve for x
    x = 122,808,153,998,409,952/399,159,085.84
  6. Step 6: Final answer
    x = 307,667,189.24

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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.