Home / 442,912,311.20-664,368,466.80-184,631,985.20

Finding the Fourth Proportional to 442,912,311.20, 664,368,466.80 and 184,631,985.20

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Solution

The fourth proportional to 442,912,311.20, 664,368,466.80 and 184,631,985.20 is: 276,947,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,912,311.20 : 664,368,466.80 = 184,631,985.20 : x
  2. Step 2: Convert to fraction form
    442,912,311.20/664,368,466.80 = 184,631,985.20/x
  3. Step 3: Cross multiply
    442,912,311.20x = 664,368,466.80 × 184,631,985.20
  4. Step 4: Simplify right side
    442,912,311.20x = 122,663,668,929,564,272
  5. Step 5: Solve for x
    x = 122,663,668,929,564,272/442,912,311.20
  6. Step 6: Final answer
    x = 276,947,977.80

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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.