Home / 505,857,712.59-697,869,882.99-338,647,846.18

Finding the Fourth Proportional to 505,857,712.59, 697,869,882.99 and 338,647,846.18

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Solution

The fourth proportional to 505,857,712.59, 697,869,882.99 and 338,647,846.18 is: 467,190,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,857,712.59 : 697,869,882.99 = 338,647,846.18 : x
  2. Step 2: Convert to fraction form
    505,857,712.59/697,869,882.99 = 338,647,846.18/x
  3. Step 3: Cross multiply
    505,857,712.59x = 697,869,882.99 × 338,647,846.18
  4. Step 4: Simplify right side
    505,857,712.59x = 236,332,132,788,452,128
  5. Step 5: Solve for x
    x = 236,332,132,788,452,128/505,857,712.59
  6. Step 6: Final answer
    x = 467,190,925.25

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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.