Home / 764,199,890.64-1,146,293,539.56-218,941,949.52

Finding the Fourth Proportional to 764,199,890.64, 1,146,293,539.56 and 218,941,949.52

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Solution

The fourth proportional to 764,199,890.64, 1,146,293,539.56 and 218,941,949.52 is: 328,411,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,199,890.64 : 1,146,293,539.56 = 218,941,949.52 : x
  2. Step 2: Convert to fraction form
    764,199,890.64/1,146,293,539.56 = 218,941,949.52/x
  3. Step 3: Cross multiply
    764,199,890.64x = 1,146,293,539.56 × 218,941,949.52
  4. Step 4: Simplify right side
    764,199,890.64x = 250,971,742,273,447,648
  5. Step 5: Solve for x
    x = 250,971,742,273,447,648/764,199,890.64
  6. Step 6: Final answer
    x = 328,411,120.37

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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.