Home / 434,628,019.70-651,942,029.55-111,511,891.70

Finding the Fourth Proportional to 434,628,019.70, 651,942,029.55 and 111,511,891.70

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Solution

The fourth proportional to 434,628,019.70, 651,942,029.55 and 111,511,891.70 is: 167,267,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,628,019.70 : 651,942,029.55 = 111,511,891.70 : x
  2. Step 2: Convert to fraction form
    434,628,019.70/651,942,029.55 = 111,511,891.70/x
  3. Step 3: Cross multiply
    434,628,019.70x = 651,942,029.55 × 111,511,891.70
  4. Step 4: Simplify right side
    434,628,019.70x = 72,699,288,993,857,792
  5. Step 5: Solve for x
    x = 72,699,288,993,857,792/434,628,019.70
  6. Step 6: Final answer
    x = 167,267,837.55

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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.