Home / 764,004,792.60-1,146,007,188.90-218,746,326.60

Finding the Fourth Proportional to 764,004,792.60, 1,146,007,188.90 and 218,746,326.60

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Solution

The fourth proportional to 764,004,792.60, 1,146,007,188.90 and 218,746,326.60 is: 328,119,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,004,792.60 : 1,146,007,188.90 = 218,746,326.60 : x
  2. Step 2: Convert to fraction form
    764,004,792.60/1,146,007,188.90 = 218,746,326.60/x
  3. Step 3: Cross multiply
    764,004,792.60x = 1,146,007,188.90 × 218,746,326.60
  4. Step 4: Simplify right side
    764,004,792.60x = 250,684,862,829,067,296
  5. Step 5: Solve for x
    x = 250,684,862,829,067,296/764,004,792.60
  6. Step 6: Final answer
    x = 328,119,489.90

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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.