Home / 920,442,522.41-1,380,663,801.95-220,934,658.38

Finding the Fourth Proportional to 920,442,522.41, 1,380,663,801.95 and 220,934,658.38

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Solution

The fourth proportional to 920,442,522.41, 1,380,663,801.95 and 220,934,658.38 is: 331,401,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,442,522.41 : 1,380,663,801.95 = 220,934,658.38 : x
  2. Step 2: Convert to fraction form
    920,442,522.41/1,380,663,801.95 = 220,934,658.38/x
  3. Step 3: Cross multiply
    920,442,522.41x = 1,380,663,801.95 × 220,934,658.38
  4. Step 4: Simplify right side
    920,442,522.41x = 305,036,485,414,065,856
  5. Step 5: Solve for x
    x = 305,036,485,414,065,856/920,442,522.41
  6. Step 6: Final answer
    x = 331,401,991.96

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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.