Home / 295,246,872.40-442,870,308.60-218,719,368.40

Finding the Fourth Proportional to 295,246,872.40, 442,870,308.60 and 218,719,368.40

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Solution

The fourth proportional to 295,246,872.40, 442,870,308.60 and 218,719,368.40 is: 328,079,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,246,872.40 : 442,870,308.60 = 218,719,368.40 : x
  2. Step 2: Convert to fraction form
    295,246,872.40/442,870,308.60 = 218,719,368.40/x
  3. Step 3: Cross multiply
    295,246,872.40x = 442,870,308.60 × 218,719,368.40
  4. Step 4: Simplify right side
    295,246,872.40x = 96,864,314,180,105,104
  5. Step 5: Solve for x
    x = 96,864,314,180,105,104/295,246,872.40
  6. Step 6: Final answer
    x = 328,079,052.60

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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.