Home / 382,508,570.46-527,821,127.34-215,241,916.83

Finding the Fourth Proportional to 382,508,570.46, 527,821,127.34 and 215,241,916.83

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Solution

The fourth proportional to 382,508,570.46, 527,821,127.34 and 215,241,916.83 is: 297,010,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,508,570.46 : 527,821,127.34 = 215,241,916.83 : x
  2. Step 2: Convert to fraction form
    382,508,570.46/527,821,127.34 = 215,241,916.83/x
  3. Step 3: Cross multiply
    382,508,570.46x = 527,821,127.34 × 215,241,916.83
  4. Step 4: Simplify right side
    382,508,570.46x = 113,609,231,192,033,120
  5. Step 5: Solve for x
    x = 113,609,231,192,033,120/382,508,570.46
  6. Step 6: Final answer
    x = 297,010,942.93

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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.