Home / 343,210,108,858.72-473,622,522,893.04-198,700,331,809.12

Finding the Fourth Proportional to 343,210,108,858.72, 473,622,522,893.04 and 198,700,331,809.12

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Solution

The fourth proportional to 343,210,108,858.72, 473,622,522,893.04 and 198,700,331,809.12 is: 274,202,157,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,210,108,858.72 : 473,622,522,893.04 = 198,700,331,809.12 : x
  2. Step 2: Convert to fraction form
    343,210,108,858.72/473,622,522,893.04 = 198,700,331,809.12/x
  3. Step 3: Cross multiply
    343,210,108,858.72x = 473,622,522,893.04 × 198,700,331,809.12
  4. Step 4: Simplify right side
    343,210,108,858.72x = 94,108,952,451,119,572,844,544
  5. Step 5: Solve for x
    x = 94,108,952,451,119,572,844,544/343,210,108,858.72
  6. Step 6: Final answer
    x = 274,202,157,867.85

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1.5x scale

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.