Home / 343,326,230.80-514,989,346.20-198,207,408.40

Finding the Fourth Proportional to 343,326,230.80, 514,989,346.20 and 198,207,408.40

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Solution

The fourth proportional to 343,326,230.80, 514,989,346.20 and 198,207,408.40 is: 297,311,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,326,230.80 : 514,989,346.20 = 198,207,408.40 : x
  2. Step 2: Convert to fraction form
    343,326,230.80/514,989,346.20 = 198,207,408.40/x
  3. Step 3: Cross multiply
    343,326,230.80x = 514,989,346.20 × 198,207,408.40
  4. Step 4: Simplify right side
    343,326,230.80x = 102,074,703,663,912,384
  5. Step 5: Solve for x
    x = 102,074,703,663,912,384/343,326,230.80
  6. Step 6: Final answer
    x = 297,311,112.60

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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.