Home / 343,240,930.20-514,861,395.30-315,023,381.40

Finding the Fourth Proportional to 343,240,930.20, 514,861,395.30 and 315,023,381.40

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Solution

The fourth proportional to 343,240,930.20, 514,861,395.30 and 315,023,381.40 is: 472,535,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,240,930.20 : 514,861,395.30 = 315,023,381.40 : x
  2. Step 2: Convert to fraction form
    343,240,930.20/514,861,395.30 = 315,023,381.40/x
  3. Step 3: Cross multiply
    343,240,930.20x = 514,861,395.30 × 315,023,381.40
  4. Step 4: Simplify right side
    343,240,930.20x = 162,193,377,699,728,064
  5. Step 5: Solve for x
    x = 162,193,377,699,728,064/343,240,930.20
  6. Step 6: Final answer
    x = 472,535,072.10

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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.