Home / 295,247,136.40-442,870,704.60-218,719,632.40

Finding the Fourth Proportional to 295,247,136.40, 442,870,704.60 and 218,719,632.40

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Solution

The fourth proportional to 295,247,136.40, 442,870,704.60 and 218,719,632.40 is: 328,079,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,247,136.40 : 442,870,704.60 = 218,719,632.40 : x
  2. Step 2: Convert to fraction form
    295,247,136.40/442,870,704.60 = 218,719,632.40/x
  3. Step 3: Cross multiply
    295,247,136.40x = 442,870,704.60 × 218,719,632.40
  4. Step 4: Simplify right side
    295,247,136.40x = 96,864,517,710,840,992
  5. Step 5: Solve for x
    x = 96,864,517,710,840,992/295,247,136.40
  6. Step 6: Final answer
    x = 328,079,448.60

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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.