Home / 1,255,190,588.76-1,732,110,997.60-682,976,003.79

Finding the Fourth Proportional to 1,255,190,588.76, 1,732,110,997.60 and 682,976,003.79

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Solution

The fourth proportional to 1,255,190,588.76, 1,732,110,997.60 and 682,976,003.79 is: 942,478,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,190,588.76 : 1,732,110,997.60 = 682,976,003.79 : x
  2. Step 2: Convert to fraction form
    1,255,190,588.76/1,732,110,997.60 = 682,976,003.79/x
  3. Step 3: Cross multiply
    1,255,190,588.76x = 1,732,110,997.60 × 682,976,003.79
  4. Step 4: Simplify right side
    1,255,190,588.76x = 1,182,990,247,266,961,152
  5. Step 5: Solve for x
    x = 1,182,990,247,266,961,152/1,255,190,588.76
  6. Step 6: Final answer
    x = 942,478,582.82

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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.