Home / 343,008,229.80-514,512,344.70-197,889,407.40

Finding the Fourth Proportional to 343,008,229.80, 514,512,344.70 and 197,889,407.40

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Solution

The fourth proportional to 343,008,229.80, 514,512,344.70 and 197,889,407.40 is: 296,834,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,008,229.80 : 514,512,344.70 = 197,889,407.40 : x
  2. Step 2: Convert to fraction form
    343,008,229.80/514,512,344.70 = 197,889,407.40/x
  3. Step 3: Cross multiply
    343,008,229.80x = 514,512,344.70 × 197,889,407.40
  4. Step 4: Simplify right side
    343,008,229.80x = 101,816,542,992,667,536
  5. Step 5: Solve for x
    x = 101,816,542,992,667,536/343,008,229.80
  6. Step 6: Final answer
    x = 296,834,111.10

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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.