Home / 5,220,288,002.20-7,830,432,003.30-3,156,375,861.40

Finding the Fourth Proportional to 5,220,288,002.20, 7,830,432,003.30 and 3,156,375,861.40

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Solution

The fourth proportional to 5,220,288,002.20, 7,830,432,003.30 and 3,156,375,861.40 is: 4,734,563,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,288,002.20 : 7,830,432,003.30 = 3,156,375,861.40 : x
  2. Step 2: Convert to fraction form
    5,220,288,002.20/7,830,432,003.30 = 3,156,375,861.40/x
  3. Step 3: Cross multiply
    5,220,288,002.20x = 7,830,432,003.30 × 3,156,375,861.40
  4. Step 4: Simplify right side
    5,220,288,002.20x = 24,715,786,559,550,164,992
  5. Step 5: Solve for x
    x = 24,715,786,559,550,164,992/5,220,288,002.20
  6. Step 6: Final answer
    x = 4,734,563,792.10

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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.