Home / 485,055,309.74-727,588,738.35-135,280,096.51

Finding the Fourth Proportional to 485,055,309.74, 727,588,738.35 and 135,280,096.51

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Solution

The fourth proportional to 485,055,309.74, 727,588,738.35 and 135,280,096.51 is: 202,921,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,055,309.74 : 727,588,738.35 = 135,280,096.51 : x
  2. Step 2: Convert to fraction form
    485,055,309.74/727,588,738.35 = 135,280,096.51/x
  3. Step 3: Cross multiply
    485,055,309.74x = 727,588,738.35 × 135,280,096.51
  4. Step 4: Simplify right side
    485,055,309.74x = 98,428,274,743,577,136
  5. Step 5: Solve for x
    x = 98,428,274,743,577,136/485,055,309.74
  6. Step 6: Final answer
    x = 202,921,755.04

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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.