Home / 755,489,479,327.75-1,042,572,950,323.10-412,933,143,889.98

Finding the Fourth Proportional to 755,489,479,327.75, 1,042,572,950,323.10 and 412,933,143,889.98

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Solution

The fourth proportional to 755,489,479,327.75, 1,042,572,950,323.10 and 412,933,143,889.98 is: 569,846,355,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,489,479,327.75 : 1,042,572,950,323.10 = 412,933,143,889.98 : x
  2. Step 2: Convert to fraction form
    755,489,479,327.75/1,042,572,950,323.10 = 412,933,143,889.98/x
  3. Step 3: Cross multiply
    755,489,479,327.75x = 1,042,572,950,323.10 × 412,933,143,889.98
  4. Step 4: Simplify right side
    755,489,479,327.75x = 430,512,926,111,569,580,916,736
  5. Step 5: Solve for x
    x = 430,512,926,111,569,580,916,736/755,489,479,327.75
  6. Step 6: Final answer
    x = 569,846,355,100.34

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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.