Home / 347,680,517,786.80-521,520,776,680.20-124,342,650,113.20

Finding the Fourth Proportional to 347,680,517,786.80, 521,520,776,680.20 and 124,342,650,113.20

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Solution

The fourth proportional to 347,680,517,786.80, 521,520,776,680.20 and 124,342,650,113.20 is: 186,513,975,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,517,786.80 : 521,520,776,680.20 = 124,342,650,113.20 : x
  2. Step 2: Convert to fraction form
    347,680,517,786.80/521,520,776,680.20 = 124,342,650,113.20/x
  3. Step 3: Cross multiply
    347,680,517,786.80x = 521,520,776,680.20 × 124,342,650,113.20
  4. Step 4: Simplify right side
    347,680,517,786.80x = 64,847,275,461,510,424,428,544
  5. Step 5: Solve for x
    x = 64,847,275,461,510,424,428,544/347,680,517,786.80
  6. Step 6: Final answer
    x = 186,513,975,169.80

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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.