Home / 409,424,525.74-614,681,609.44-215,472,143.44

Finding the Fourth Proportional to 409,424,525.74, 614,681,609.44 and 215,472,143.44

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Solution

The fourth proportional to 409,424,525.74, 614,681,609.44 and 215,472,143.44 is: 323,494,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,424,525.74 : 614,681,609.44 = 215,472,143.44 : x
  2. Step 2: Convert to fraction form
    409,424,525.74/614,681,609.44 = 215,472,143.44/x
  3. Step 3: Cross multiply
    409,424,525.74x = 614,681,609.44 × 215,472,143.44
  4. Step 4: Simplify right side
    409,424,525.74x = 132,446,763,919,185,744
  5. Step 5: Solve for x
    x = 132,446,763,919,185,744/409,424,525.74
  6. Step 6: Final answer
    x = 323,494,943.74

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Why These Related Problems?

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