Home / 2,827,428,956.88-4,239,724,487.85-1,647,390,788.43

Finding the Fourth Proportional to 2,827,428,956.88, 4,239,724,487.85 and 1,647,390,788.43

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Solution

The fourth proportional to 2,827,428,956.88, 4,239,724,487.85 and 1,647,390,788.43 is: 2,470,259,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827,428,956.88 : 4,239,724,487.85 = 1,647,390,788.43 : x
  2. Step 2: Convert to fraction form
    2,827,428,956.88/4,239,724,487.85 = 1,647,390,788.43/x
  3. Step 3: Cross multiply
    2,827,428,956.88x = 4,239,724,487.85 × 1,647,390,788.43
  4. Step 4: Simplify right side
    2,827,428,956.88x = 6,984,483,066,765,189,120
  5. Step 5: Solve for x
    x = 6,984,483,066,765,189,120/2,827,428,956.88
  6. Step 6: Final answer
    x = 2,470,259,438.27

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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.