Home / 518,401,506.70-777,714,234.45-154,932,604.30

Finding the Fourth Proportional to 518,401,506.70, 777,714,234.45 and 154,932,604.30

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Solution

The fourth proportional to 518,401,506.70, 777,714,234.45 and 154,932,604.30 is: 232,432,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,401,506.70 : 777,714,234.45 = 154,932,604.30 : x
  2. Step 2: Convert to fraction form
    518,401,506.70/777,714,234.45 = 154,932,604.30/x
  3. Step 3: Cross multiply
    518,401,506.70x = 777,714,234.45 × 154,932,604.30
  4. Step 4: Simplify right side
    518,401,506.70x = 120,493,291,744,519,296
  5. Step 5: Solve for x
    x = 120,493,291,744,519,296/518,401,506.70
  6. Step 6: Final answer
    x = 232,432,371.80

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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.