Home / 611,712,003.20-917,568,004.80-202,831,260.80

Finding the Fourth Proportional to 611,712,003.20, 917,568,004.80 and 202,831,260.80

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Solution

The fourth proportional to 611,712,003.20, 917,568,004.80 and 202,831,260.80 is: 304,246,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,712,003.20 : 917,568,004.80 = 202,831,260.80 : x
  2. Step 2: Convert to fraction form
    611,712,003.20/917,568,004.80 = 202,831,260.80/x
  3. Step 3: Cross multiply
    611,712,003.20x = 917,568,004.80 × 202,831,260.80
  4. Step 4: Simplify right side
    611,712,003.20x = 186,111,475,283,324,448
  5. Step 5: Solve for x
    x = 186,111,475,283,324,448/611,712,003.20
  6. Step 6: Final answer
    x = 304,246,891.20

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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.