Home / 959,778,207.78-1,439,721,119.85-269,631,653.94

Finding the Fourth Proportional to 959,778,207.78, 1,439,721,119.85 and 269,631,653.94

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Solution

The fourth proportional to 959,778,207.78, 1,439,721,119.85 and 269,631,653.94 is: 404,462,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,778,207.78 : 1,439,721,119.85 = 269,631,653.94 : x
  2. Step 2: Convert to fraction form
    959,778,207.78/1,439,721,119.85 = 269,631,653.94/x
  3. Step 3: Cross multiply
    959,778,207.78x = 1,439,721,119.85 × 269,631,653.94
  4. Step 4: Simplify right side
    959,778,207.78x = 388,194,386,757,504,448
  5. Step 5: Solve for x
    x = 388,194,386,757,504,448/959,778,207.78
  6. Step 6: Final answer
    x = 404,462,597.31

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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.