Home / 707,904,606.54-976,858,472.43-394,624,963.02

Finding the Fourth Proportional to 707,904,606.54, 976,858,472.43 and 394,624,963.02

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Solution

The fourth proportional to 707,904,606.54, 976,858,472.43 and 394,624,963.02 is: 544,554,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,904,606.54 : 976,858,472.43 = 394,624,963.02 : x
  2. Step 2: Convert to fraction form
    707,904,606.54/976,858,472.43 = 394,624,963.02/x
  3. Step 3: Cross multiply
    707,904,606.54x = 976,858,472.43 × 394,624,963.02
  4. Step 4: Simplify right side
    707,904,606.54x = 385,492,738,558,462,400
  5. Step 5: Solve for x
    x = 385,492,738,558,462,400/707,904,606.54
  6. Step 6: Final answer
    x = 544,554,640.55

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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.