Home / 394,736,674.43-544,715,029.75-216,086,002.58

Finding the Fourth Proportional to 394,736,674.43, 544,715,029.75 and 216,086,002.58

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Solution

The fourth proportional to 394,736,674.43, 544,715,029.75 and 216,086,002.58 is: 298,186,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,736,674.43 : 544,715,029.75 = 216,086,002.58 : x
  2. Step 2: Convert to fraction form
    394,736,674.43/544,715,029.75 = 216,086,002.58/x
  3. Step 3: Cross multiply
    394,736,674.43x = 544,715,029.75 × 216,086,002.58
  4. Step 4: Simplify right side
    394,736,674.43x = 117,705,293,323,923,280
  5. Step 5: Solve for x
    x = 117,705,293,323,923,280/394,736,674.43
  6. Step 6: Final answer
    x = 298,186,869.75

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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.