Home / 447,259,634.97-670,016,669.81-348,428,582.39

Finding the Fourth Proportional to 447,259,634.97, 670,016,669.81 and 348,428,582.39

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Solution

The fourth proportional to 447,259,634.97, 670,016,669.81 and 348,428,582.39 is: 521,962,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,259,634.97 : 670,016,669.81 = 348,428,582.39 : x
  2. Step 2: Convert to fraction form
    447,259,634.97/670,016,669.81 = 348,428,582.39/x
  3. Step 3: Cross multiply
    447,259,634.97x = 670,016,669.81 × 348,428,582.39
  4. Step 4: Simplify right side
    447,259,634.97x = 233,452,958,434,474,752
  5. Step 5: Solve for x
    x = 233,452,958,434,474,752/447,259,634.97
  6. Step 6: Final answer
    x = 521,962,949.89

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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.