Home / 280,336,781,573.05-386,859,715,690.95-158,398,897,960.53

Finding the Fourth Proportional to 280,336,781,573.05, 386,859,715,690.95 and 158,398,897,960.53

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Solution

The fourth proportional to 280,336,781,573.05, 386,859,715,690.95 and 158,398,897,960.53 is: 218,587,629,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,336,781,573.05 : 386,859,715,690.95 = 158,398,897,960.53 : x
  2. Step 2: Convert to fraction form
    280,336,781,573.05/386,859,715,690.95 = 158,398,897,960.53/x
  3. Step 3: Cross multiply
    280,336,781,573.05x = 386,859,715,690.95 × 158,398,897,960.53
  4. Step 4: Simplify right side
    280,336,781,573.05x = 61,278,152,630,770,438,504,448
  5. Step 5: Solve for x
    x = 61,278,152,630,770,438,504,448/280,336,781,573.05
  6. Step 6: Final answer
    x = 218,587,629,803.41

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