Home / 394,736,672.53-544,715,027.12-216,086,000.67

Finding the Fourth Proportional to 394,736,672.53, 544,715,027.12 and 216,086,000.67

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Solution

The fourth proportional to 394,736,672.53, 544,715,027.12 and 216,086,000.67 is: 298,186,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,736,672.53 : 544,715,027.12 = 216,086,000.67 : x
  2. Step 2: Convert to fraction form
    394,736,672.53/544,715,027.12 = 216,086,000.67/x
  3. Step 3: Cross multiply
    394,736,672.53x = 544,715,027.12 × 216,086,000.67
  4. Step 4: Simplify right side
    394,736,672.53x = 117,705,291,715,211,376
  5. Step 5: Solve for x
    x = 117,705,291,715,211,376/394,736,672.53
  6. Step 6: Final answer
    x = 298,186,867.11

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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.