Home / 695,292,841.54-1,042,939,636.82-258,536,774.98

Finding the Fourth Proportional to 695,292,841.54, 1,042,939,636.82 and 258,536,774.98

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Solution

The fourth proportional to 695,292,841.54, 1,042,939,636.82 and 258,536,774.98 is: 387,805,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,292,841.54 : 1,042,939,636.82 = 258,536,774.98 : x
  2. Step 2: Convert to fraction form
    695,292,841.54/1,042,939,636.82 = 258,536,774.98/x
  3. Step 3: Cross multiply
    695,292,841.54x = 1,042,939,636.82 × 258,536,774.98
  4. Step 4: Simplify right side
    695,292,841.54x = 269,638,250,195,747,904
  5. Step 5: Solve for x
    x = 269,638,250,195,747,904/695,292,841.54
  6. Step 6: Final answer
    x = 387,805,301.72

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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.