Home / 493,432,495.20-739,865,307.60-148,334,392.80

Finding the Fourth Proportional to 493,432,495.20, 739,865,307.60 and 148,334,392.80

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Solution

The fourth proportional to 493,432,495.20, 739,865,307.60 and 148,334,392.80 is: 222,416,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,432,495.20 : 739,865,307.60 = 148,334,392.80 : x
  2. Step 2: Convert to fraction form
    493,432,495.20/739,865,307.60 = 148,334,392.80/x
  3. Step 3: Cross multiply
    493,432,495.20x = 739,865,307.60 × 148,334,392.80
  4. Step 4: Simplify right side
    493,432,495.20x = 109,747,471,156,631,232
  5. Step 5: Solve for x
    x = 109,747,471,156,631,232/493,432,495.20
  6. Step 6: Final answer
    x = 222,416,383.65

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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.