Home / 2,511,393,145.20-3,767,089,717.80-764,582,007.60

Finding the Fourth Proportional to 2,511,393,145.20, 3,767,089,717.80 and 764,582,007.60

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Solution

The fourth proportional to 2,511,393,145.20, 3,767,089,717.80 and 764,582,007.60 is: 1,146,873,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,393,145.20 : 3,767,089,717.80 = 764,582,007.60 : x
  2. Step 2: Convert to fraction form
    2,511,393,145.20/3,767,089,717.80 = 764,582,007.60/x
  3. Step 3: Cross multiply
    2,511,393,145.20x = 3,767,089,717.80 × 764,582,007.60
  4. Step 4: Simplify right side
    2,511,393,145.20x = 2,880,249,019,244,841,472
  5. Step 5: Solve for x
    x = 2,880,249,019,244,841,472/2,511,393,145.20
  6. Step 6: Final answer
    x = 1,146,873,011.40

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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.