Home / 352,076,994.40-528,304,448.40-147,625,736.80

Finding the Fourth Proportional to 352,076,994.40, 528,304,448.40 and 147,625,736.80

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Solution

The fourth proportional to 352,076,994.40, 528,304,448.40 and 147,625,736.80 is: 221,517,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,076,994.40 : 528,304,448.40 = 147,625,736.80 : x
  2. Step 2: Convert to fraction form
    352,076,994.40/528,304,448.40 = 147,625,736.80/x
  3. Step 3: Cross multiply
    352,076,994.40x = 528,304,448.40 × 147,625,736.80
  4. Step 4: Simplify right side
    352,076,994.40x = 77,991,333,449,767,584
  5. Step 5: Solve for x
    x = 77,991,333,449,767,584/352,076,994.40
  6. Step 6: Final answer
    x = 221,517,834.71

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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.