Home / 554,517,615.56-765,231,502.68-303,617,448.80

Finding the Fourth Proportional to 554,517,615.56, 765,231,502.68 and 303,617,448.80

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Solution

The fourth proportional to 554,517,615.56, 765,231,502.68 and 303,617,448.80 is: 418,990,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,517,615.56 : 765,231,502.68 = 303,617,448.80 : x
  2. Step 2: Convert to fraction form
    554,517,615.56/765,231,502.68 = 303,617,448.80/x
  3. Step 3: Cross multiply
    554,517,615.56x = 765,231,502.68 × 303,617,448.80
  4. Step 4: Simplify right side
    554,517,615.56x = 232,337,636,585,091,968
  5. Step 5: Solve for x
    x = 232,337,636,585,091,968/554,517,615.56
  6. Step 6: Final answer
    x = 418,990,542.53

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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.