Home / 682,245,499.29-941,498,790.51-368,979,713.25

Finding the Fourth Proportional to 682,245,499.29, 941,498,790.51 and 368,979,713.25

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Solution

The fourth proportional to 682,245,499.29, 941,498,790.51 and 368,979,713.25 is: 509,192,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,245,499.29 : 941,498,790.51 = 368,979,713.25 : x
  2. Step 2: Convert to fraction form
    682,245,499.29/941,498,790.51 = 368,979,713.25/x
  3. Step 3: Cross multiply
    682,245,499.29x = 941,498,790.51 × 368,979,713.25
  4. Step 4: Simplify right side
    682,245,499.29x = 347,393,953,748,672,192
  5. Step 5: Solve for x
    x = 347,393,953,748,672,192/682,245,499.29
  6. Step 6: Final answer
    x = 509,192,005.09

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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.