Home / 695,292,954.63-1,042,939,805.78-258,536,887.73

Finding the Fourth Proportional to 695,292,954.63, 1,042,939,805.78 and 258,536,887.73

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Solution

The fourth proportional to 695,292,954.63, 1,042,939,805.78 and 258,536,887.73 is: 387,805,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,292,954.63 : 1,042,939,805.78 = 258,536,887.73 : x
  2. Step 2: Convert to fraction form
    695,292,954.63/1,042,939,805.78 = 258,536,887.73/x
  3. Step 3: Cross multiply
    695,292,954.63x = 1,042,939,805.78 × 258,536,887.73
  4. Step 4: Simplify right side
    695,292,954.63x = 269,638,411,476,091,840
  5. Step 5: Solve for x
    x = 269,638,411,476,091,840/695,292,954.63
  6. Step 6: Final answer
    x = 387,805,470.60

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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.