Home / 707,904,609.54-976,858,476.57-394,624,966.02

Finding the Fourth Proportional to 707,904,609.54, 976,858,476.57 and 394,624,966.02

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Solution

The fourth proportional to 707,904,609.54, 976,858,476.57 and 394,624,966.02 is: 544,554,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,904,609.54 : 976,858,476.57 = 394,624,966.02 : x
  2. Step 2: Convert to fraction form
    707,904,609.54/976,858,476.57 = 394,624,966.02/x
  3. Step 3: Cross multiply
    707,904,609.54x = 976,858,476.57 × 394,624,966.02
  4. Step 4: Simplify right side
    707,904,609.54x = 385,492,743,122,785,216
  5. Step 5: Solve for x
    x = 385,492,743,122,785,216/707,904,609.54
  6. Step 6: Final answer
    x = 544,554,644.69

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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.