Home / 343,413,363.70-514,364,218.35-206,860,582.90

Finding the Fourth Proportional to 343,413,363.70, 514,364,218.35 and 206,860,582.90

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Solution

The fourth proportional to 343,413,363.70, 514,364,218.35 and 206,860,582.90 is: 309,835,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,413,363.70 : 514,364,218.35 = 206,860,582.90 : x
  2. Step 2: Convert to fraction form
    343,413,363.70/514,364,218.35 = 206,860,582.90/x
  3. Step 3: Cross multiply
    343,413,363.70x = 514,364,218.35 × 206,860,582.90
  4. Step 4: Simplify right side
    343,413,363.70x = 106,401,682,030,783,888
  5. Step 5: Solve for x
    x = 106,401,682,030,783,888/343,413,363.70
  6. Step 6: Final answer
    x = 309,835,589.64

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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.