Home / 2,919,130,905.20-4,372,591,679.40-1,367,746,329.20

Finding the Fourth Proportional to 2,919,130,905.20, 4,372,591,679.40 and 1,367,746,329.20

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Solution

The fourth proportional to 2,919,130,905.20, 4,372,591,679.40 and 1,367,746,329.20 is: 2,048,759,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,130,905.20 : 4,372,591,679.40 = 1,367,746,329.20 : x
  2. Step 2: Convert to fraction form
    2,919,130,905.20/4,372,591,679.40 = 1,367,746,329.20/x
  3. Step 3: Cross multiply
    2,919,130,905.20x = 4,372,591,679.40 × 1,367,746,329.20
  4. Step 4: Simplify right side
    2,919,130,905.20x = 5,980,596,218,589,812,736
  5. Step 5: Solve for x
    x = 5,980,596,218,589,812,736/2,919,130,905.20
  6. Step 6: Final answer
    x = 2,048,759,172.79

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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.