Home / 409,420,683.95-564,937,408.51-233,186,212.33

Finding the Fourth Proportional to 409,420,683.95, 564,937,408.51 and 233,186,212.33

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Solution

The fourth proportional to 409,420,683.95, 564,937,408.51 and 233,186,212.33 is: 321,761,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,420,683.95 : 564,937,408.51 = 233,186,212.33 : x
  2. Step 2: Convert to fraction form
    409,420,683.95/564,937,408.51 = 233,186,212.33/x
  3. Step 3: Cross multiply
    409,420,683.95x = 564,937,408.51 × 233,186,212.33
  4. Step 4: Simplify right side
    409,420,683.95x = 131,735,614,491,977,504
  5. Step 5: Solve for x
    x = 131,735,614,491,977,504/409,420,683.95
  6. Step 6: Final answer
    x = 321,761,014.18

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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.