Home / 347,680,517,378.40-521,520,776,067.60-252,908,856,424.80

Finding the Fourth Proportional to 347,680,517,378.40, 521,520,776,067.60 and 252,908,856,424.80

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Solution

The fourth proportional to 347,680,517,378.40, 521,520,776,067.60 and 252,908,856,424.80 is: 379,363,284,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,517,378.40 : 521,520,776,067.60 = 252,908,856,424.80 : x
  2. Step 2: Convert to fraction form
    347,680,517,378.40/521,520,776,067.60 = 252,908,856,424.80/x
  3. Step 3: Cross multiply
    347,680,517,378.40x = 521,520,776,067.60 × 252,908,856,424.80
  4. Step 4: Simplify right side
    347,680,517,378.40x = 131,897,223,077,030,906,560,512
  5. Step 5: Solve for x
    x = 131,897,223,077,030,906,560,512/347,680,517,378.40
  6. Step 6: Final answer
    x = 379,363,284,637.20

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1.5x scale

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.