Home / 422,707,238.49-583,340,718.30-234,538,939.47

Finding the Fourth Proportional to 422,707,238.49, 583,340,718.30 and 234,538,939.47

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Solution

The fourth proportional to 422,707,238.49, 583,340,718.30 and 234,538,939.47 is: 323,666,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,707,238.49 : 583,340,718.30 = 234,538,939.47 : x
  2. Step 2: Convert to fraction form
    422,707,238.49/583,340,718.30 = 234,538,939.47/x
  3. Step 3: Cross multiply
    422,707,238.49x = 583,340,718.30 × 234,538,939.47
  4. Step 4: Simplify right side
    422,707,238.49x = 136,816,113,419,750,016
  5. Step 5: Solve for x
    x = 136,816,113,419,750,016/422,707,238.49
  6. Step 6: Final answer
    x = 323,666,360.45

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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.