Home / 419,146,630,478.40-628,825,750,973.76-116,958,979,382.25

Finding the Fourth Proportional to 419,146,630,478.40, 628,825,750,973.76 and 116,958,979,382.25

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Solution

The fourth proportional to 419,146,630,478.40, 628,825,750,973.76 and 116,958,979,382.25 is: 175,467,993,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,146,630,478.40 : 628,825,750,973.76 = 116,958,979,382.25 : x
  2. Step 2: Convert to fraction form
    419,146,630,478.40/628,825,750,973.76 = 116,958,979,382.25/x
  3. Step 3: Cross multiply
    419,146,630,478.40x = 628,825,750,973.76 × 116,958,979,382.25
  4. Step 4: Simplify right side
    419,146,630,478.40x = 73,546,818,043,167,866,093,568
  5. Step 5: Solve for x
    x = 73,546,818,043,167,866,093,568/419,146,630,478.40
  6. Step 6: Final answer
    x = 175,467,993,048.70

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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.