Home / 343,413,385.20-514,364,250.60-206,860,604.40

Finding the Fourth Proportional to 343,413,385.20, 514,364,250.60 and 206,860,604.40

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Solution

The fourth proportional to 343,413,385.20, 514,364,250.60 and 206,860,604.40 is: 309,835,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,413,385.20 : 514,364,250.60 = 206,860,604.40 : x
  2. Step 2: Convert to fraction form
    343,413,385.20/514,364,250.60 = 206,860,604.40/x
  3. Step 3: Cross multiply
    343,413,385.20x = 514,364,250.60 × 206,860,604.40
  4. Step 4: Simplify right side
    343,413,385.20x = 106,401,699,760,869,072
  5. Step 5: Solve for x
    x = 106,401,699,760,869,072/343,413,385.20
  6. Step 6: Final answer
    x = 309,835,621.87

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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.