Home / 695,292,843.54-1,042,939,639.82-258,536,776.98

Finding the Fourth Proportional to 695,292,843.54, 1,042,939,639.82 and 258,536,776.98

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Solution

The fourth proportional to 695,292,843.54, 1,042,939,639.82 and 258,536,776.98 is: 387,805,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,292,843.54 : 1,042,939,639.82 = 258,536,776.98 : x
  2. Step 2: Convert to fraction form
    695,292,843.54/1,042,939,639.82 = 258,536,776.98/x
  3. Step 3: Cross multiply
    695,292,843.54x = 1,042,939,639.82 × 258,536,776.98
  4. Step 4: Simplify right side
    695,292,843.54x = 269,638,253,063,744,864
  5. Step 5: Solve for x
    x = 269,638,253,063,744,864/695,292,843.54
  6. Step 6: Final answer
    x = 387,805,304.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.