Home / 343,210,108,863.72-473,622,522,899.94-198,700,331,814.12

Finding the Fourth Proportional to 343,210,108,863.72, 473,622,522,899.94 and 198,700,331,814.12

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Solution

The fourth proportional to 343,210,108,863.72, 473,622,522,899.94 and 198,700,331,814.12 is: 274,202,157,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,210,108,863.72 : 473,622,522,899.94 = 198,700,331,814.12 : x
  2. Step 2: Convert to fraction form
    343,210,108,863.72/473,622,522,899.94 = 198,700,331,814.12/x
  3. Step 3: Cross multiply
    343,210,108,863.72x = 473,622,522,899.94 × 198,700,331,814.12
  4. Step 4: Simplify right side
    343,210,108,863.72x = 94,108,952,454,858,727,751,680
  5. Step 5: Solve for x
    x = 94,108,952,454,858,727,751,680/343,210,108,863.72
  6. Step 6: Final answer
    x = 274,202,157,874.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.