Home / 409,437,898.30-614,156,847.45-133,088,578.30

Finding the Fourth Proportional to 409,437,898.30, 614,156,847.45 and 133,088,578.30

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Solution

The fourth proportional to 409,437,898.30, 614,156,847.45 and 133,088,578.30 is: 199,632,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,437,898.30 : 614,156,847.45 = 133,088,578.30 : x
  2. Step 2: Convert to fraction form
    409,437,898.30/614,156,847.45 = 133,088,578.30/x
  3. Step 3: Cross multiply
    409,437,898.30x = 614,156,847.45 × 133,088,578.30
  4. Step 4: Simplify right side
    409,437,898.30x = 81,737,261,680,330,480
  5. Step 5: Solve for x
    x = 81,737,261,680,330,480/409,437,898.30
  6. Step 6: Final answer
    x = 199,632,867.45

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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.