Home / 409,438,003.80-614,157,005.70-133,088,683.80

Finding the Fourth Proportional to 409,438,003.80, 614,157,005.70 and 133,088,683.80

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Solution

The fourth proportional to 409,438,003.80, 614,157,005.70 and 133,088,683.80 is: 199,633,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,438,003.80 : 614,157,005.70 = 133,088,683.80 : x
  2. Step 2: Convert to fraction form
    409,438,003.80/614,157,005.70 = 133,088,683.80/x
  3. Step 3: Cross multiply
    409,438,003.80x = 614,157,005.70 × 133,088,683.80
  4. Step 4: Simplify right side
    409,438,003.80x = 81,737,347,535,162,096
  5. Step 5: Solve for x
    x = 81,737,347,535,162,096/409,438,003.80
  6. Step 6: Final answer
    x = 199,633,025.70

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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.