Home / 395,625,042.12-545,890,368.88-228,300,260.88

Finding the Fourth Proportional to 395,625,042.12, 545,890,368.88 and 228,300,260.88

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Solution

The fourth proportional to 395,625,042.12, 545,890,368.88 and 228,300,260.88 is: 315,012,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,625,042.12 : 545,890,368.88 = 228,300,260.88 : x
  2. Step 2: Convert to fraction form
    395,625,042.12/545,890,368.88 = 228,300,260.88/x
  3. Step 3: Cross multiply
    395,625,042.12x = 545,890,368.88 × 228,300,260.88
  4. Step 4: Simplify right side
    395,625,042.12x = 124,626,913,627,183,424
  5. Step 5: Solve for x
    x = 124,626,913,627,183,424/395,625,042.12
  6. Step 6: Final answer
    x = 315,012,702.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.