Home / 343,276,383.11-473,715,827.75-186,647,434.38

Finding the Fourth Proportional to 343,276,383.11, 473,715,827.75 and 186,647,434.38

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Solution

The fourth proportional to 343,276,383.11, 473,715,827.75 and 186,647,434.38 is: 257,570,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,276,383.11 : 473,715,827.75 = 186,647,434.38 : x
  2. Step 2: Convert to fraction form
    343,276,383.11/473,715,827.75 = 186,647,434.38/x
  3. Step 3: Cross multiply
    343,276,383.11x = 473,715,827.75 × 186,647,434.38
  4. Step 4: Simplify right side
    343,276,383.11x = 88,417,843,875,202,128
  5. Step 5: Solve for x
    x = 88,417,843,875,202,128/343,276,383.11
  6. Step 6: Final answer
    x = 257,570,424.96

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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.