Home / 542,045,222.38-813,085,376.28-258,042,709.18

Finding the Fourth Proportional to 542,045,222.38, 813,085,376.28 and 258,042,709.18

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Solution

The fourth proportional to 542,045,222.38, 813,085,376.28 and 258,042,709.18 is: 387,072,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,045,222.38 : 813,085,376.28 = 258,042,709.18 : x
  2. Step 2: Convert to fraction form
    542,045,222.38/813,085,376.28 = 258,042,709.18/x
  3. Step 3: Cross multiply
    542,045,222.38x = 813,085,376.28 × 258,042,709.18
  4. Step 4: Simplify right side
    542,045,222.38x = 209,810,753,289,930,912
  5. Step 5: Solve for x
    x = 209,810,753,289,930,912/542,045,222.38
  6. Step 6: Final answer
    x = 387,072,415.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.