Home / 399,159,084.84-550,833,734.53-222,949,586.13

Finding the Fourth Proportional to 399,159,084.84, 550,833,734.53 and 222,949,586.13

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Solution

The fourth proportional to 399,159,084.84, 550,833,734.53 and 222,949,586.13 is: 307,667,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,159,084.84 : 550,833,734.53 = 222,949,586.13 : x
  2. Step 2: Convert to fraction form
    399,159,084.84/550,833,734.53 = 222,949,586.13/x
  3. Step 3: Cross multiply
    399,159,084.84x = 550,833,734.53 × 222,949,586.13
  4. Step 4: Simplify right side
    399,159,084.84x = 122,808,153,136,863,648
  5. Step 5: Solve for x
    x = 122,808,153,136,863,648/399,159,084.84
  6. Step 6: Final answer
    x = 307,667,187.85

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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.