Home / 343,297,105.80-514,945,658.70-320,454,328.20

Finding the Fourth Proportional to 343,297,105.80, 514,945,658.70 and 320,454,328.20

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Solution

The fourth proportional to 343,297,105.80, 514,945,658.70 and 320,454,328.20 is: 480,681,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,297,105.80 : 514,945,658.70 = 320,454,328.20 : x
  2. Step 2: Convert to fraction form
    343,297,105.80/514,945,658.70 = 320,454,328.20/x
  3. Step 3: Cross multiply
    343,297,105.80x = 514,945,658.70 × 320,454,328.20
  4. Step 4: Simplify right side
    343,297,105.80x = 165,016,565,118,214,976
  5. Step 5: Solve for x
    x = 165,016,565,118,214,976/343,297,105.80
  6. Step 6: Final answer
    x = 480,681,492.30

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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.