Home / 353,733,233.70-530,649,462.24-123,649,986.18

Finding the Fourth Proportional to 353,733,233.70, 530,649,462.24 and 123,649,986.18

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Solution

The fourth proportional to 353,733,233.70, 530,649,462.24 and 123,649,986.18 is: 185,492,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,733,233.70 : 530,649,462.24 = 123,649,986.18 : x
  2. Step 2: Convert to fraction form
    353,733,233.70/530,649,462.24 = 123,649,986.18/x
  3. Step 3: Cross multiply
    353,733,233.70x = 530,649,462.24 × 123,649,986.18
  4. Step 4: Simplify right side
    353,733,233.70x = 65,614,798,672,400,440
  5. Step 5: Solve for x
    x = 65,614,798,672,400,440/353,733,233.70
  6. Step 6: Final answer
    x = 185,492,321.39

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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.