Home / 661,720,365.69-992,581,792.70-273,116,942.97

Finding the Fourth Proportional to 661,720,365.69, 992,581,792.70 and 273,116,942.97

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Solution

The fourth proportional to 661,720,365.69, 992,581,792.70 and 273,116,942.97 is: 409,675,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,720,365.69 : 992,581,792.70 = 273,116,942.97 : x
  2. Step 2: Convert to fraction form
    661,720,365.69/992,581,792.70 = 273,116,942.97/x
  3. Step 3: Cross multiply
    661,720,365.69x = 992,581,792.70 × 273,116,942.97
  4. Step 4: Simplify right side
    661,720,365.69x = 271,090,904,868,540,736
  5. Step 5: Solve for x
    x = 271,090,904,868,540,736/661,720,365.69
  6. Step 6: Final answer
    x = 409,675,927.97

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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.