Home / 347,680,517,845.80-521,520,776,768.70-124,342,650,172.20

Finding the Fourth Proportional to 347,680,517,845.80, 521,520,776,768.70 and 124,342,650,172.20

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Solution

The fourth proportional to 347,680,517,845.80, 521,520,776,768.70 and 124,342,650,172.20 is: 186,513,975,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,517,845.80 : 521,520,776,768.70 = 124,342,650,172.20 : x
  2. Step 2: Convert to fraction form
    347,680,517,845.80/521,520,776,768.70 = 124,342,650,172.20/x
  3. Step 3: Cross multiply
    347,680,517,845.80x = 521,520,776,768.70 × 124,342,650,172.20
  4. Step 4: Simplify right side
    347,680,517,845.80x = 64,847,275,503,284,475,920,384
  5. Step 5: Solve for x
    x = 64,847,275,503,284,475,920,384/347,680,517,845.80
  6. Step 6: Final answer
    x = 186,513,975,258.30

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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.