Home / 295,245,318.40-442,867,977.60-218,717,814.40

Finding the Fourth Proportional to 295,245,318.40, 442,867,977.60 and 218,717,814.40

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Solution

The fourth proportional to 295,245,318.40, 442,867,977.60 and 218,717,814.40 is: 328,076,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,318.40 : 442,867,977.60 = 218,717,814.40 : x
  2. Step 2: Convert to fraction form
    295,245,318.40/442,867,977.60 = 218,717,814.40/x
  3. Step 3: Cross multiply
    295,245,318.40x = 442,867,977.60 × 218,717,814.40
  4. Step 4: Simplify right side
    295,245,318.40x = 96,863,116,128,420,160
  5. Step 5: Solve for x
    x = 96,863,116,128,420,160/295,245,318.40
  6. Step 6: Final answer
    x = 328,076,721.60

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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.