Home / 764,004,732.10-1,146,007,098.15-218,746,266.10

Finding the Fourth Proportional to 764,004,732.10, 1,146,007,098.15 and 218,746,266.10

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Solution

The fourth proportional to 764,004,732.10, 1,146,007,098.15 and 218,746,266.10 is: 328,119,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,004,732.10 : 1,146,007,098.15 = 218,746,266.10 : x
  2. Step 2: Convert to fraction form
    764,004,732.10/1,146,007,098.15 = 218,746,266.10/x
  3. Step 3: Cross multiply
    764,004,732.10x = 1,146,007,098.15 × 218,746,266.10
  4. Step 4: Simplify right side
    764,004,732.10x = 250,684,773,644,408,736
  5. Step 5: Solve for x
    x = 250,684,773,644,408,736/764,004,732.10
  6. Step 6: Final answer
    x = 328,119,399.15

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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.