Home / 885,195,255.56-1,221,545,100.24-488,711,040.32

Finding the Fourth Proportional to 885,195,255.56, 1,221,545,100.24 and 488,711,040.32

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Solution

The fourth proportional to 885,195,255.56, 1,221,545,100.24 and 488,711,040.32 is: 674,407,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,195,255.56 : 1,221,545,100.24 = 488,711,040.32 : x
  2. Step 2: Convert to fraction form
    885,195,255.56/1,221,545,100.24 = 488,711,040.32/x
  3. Step 3: Cross multiply
    885,195,255.56x = 1,221,545,100.24 × 488,711,040.32
  4. Step 4: Simplify right side
    885,195,255.56x = 596,982,576,736,089,088
  5. Step 5: Solve for x
    x = 596,982,576,736,089,088/885,195,255.56
  6. Step 6: Final answer
    x = 674,407,790.81

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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.