Home / 295,245,194.40-442,867,791.60-218,717,690.40

Finding the Fourth Proportional to 295,245,194.40, 442,867,791.60 and 218,717,690.40

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Solution

The fourth proportional to 295,245,194.40, 442,867,791.60 and 218,717,690.40 is: 328,076,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,194.40 : 442,867,791.60 = 218,717,690.40 : x
  2. Step 2: Convert to fraction form
    295,245,194.40/442,867,791.60 = 218,717,690.40/x
  3. Step 3: Cross multiply
    295,245,194.40x = 442,867,791.60 × 218,717,690.40
  4. Step 4: Simplify right side
    295,245,194.40x = 96,863,020,531,300,528
  5. Step 5: Solve for x
    x = 96,863,020,531,300,528/295,245,194.40
  6. Step 6: Final answer
    x = 328,076,535.60

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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.