Home / 511,415,805.30-705,945,730.77-335,215,148.82

Finding the Fourth Proportional to 511,415,805.30, 705,945,730.77 and 335,215,148.82

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Solution

The fourth proportional to 511,415,805.30, 705,945,730.77 and 335,215,148.82 is: 462,722,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,415,805.30 : 705,945,730.77 = 335,215,148.82 : x
  2. Step 2: Convert to fraction form
    511,415,805.30/705,945,730.77 = 335,215,148.82/x
  3. Step 3: Cross multiply
    511,415,805.30x = 705,945,730.77 × 335,215,148.82
  4. Step 4: Simplify right side
    511,415,805.30x = 236,643,703,198,909,184
  5. Step 5: Solve for x
    x = 236,643,703,198,909,184/511,415,805.30
  6. Step 6: Final answer
    x = 462,722,701.85

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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.