Home / 434,628,310.80-651,718,517.40-161,858,672.40

Finding the Fourth Proportional to 434,628,310.80, 651,718,517.40 and 161,858,672.40

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Solution

The fourth proportional to 434,628,310.80, 651,718,517.40 and 161,858,672.40 is: 242,704,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,628,310.80 : 651,718,517.40 = 161,858,672.40 : x
  2. Step 2: Convert to fraction form
    434,628,310.80/651,718,517.40 = 161,858,672.40/x
  3. Step 3: Cross multiply
    434,628,310.80x = 651,718,517.40 × 161,858,672.40
  4. Step 4: Simplify right side
    434,628,310.80x = 105,486,294,004,860,304
  5. Step 5: Solve for x
    x = 105,486,294,004,860,304/434,628,310.80
  6. Step 6: Final answer
    x = 242,704,608.47

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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.