Home / 382,448,185.94-573,772,531.30-120,122,140.79

Finding the Fourth Proportional to 382,448,185.94, 573,772,531.30 and 120,122,140.79

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Solution

The fourth proportional to 382,448,185.94, 573,772,531.30 and 120,122,140.79 is: 180,214,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,448,185.94 : 573,772,531.30 = 120,122,140.79 : x
  2. Step 2: Convert to fraction form
    382,448,185.94/573,772,531.30 = 120,122,140.79/x
  3. Step 3: Cross multiply
    382,448,185.94x = 573,772,531.30 × 120,122,140.79
  4. Step 4: Simplify right side
    382,448,185.94x = 68,922,784,787,387,408
  5. Step 5: Solve for x
    x = 68,922,784,787,387,408/382,448,185.94
  6. Step 6: Final answer
    x = 180,214,699.20

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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.