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Finding the Fourth Proportional to 137,908,939,522.80, 206,863,409,284.20 and 137,908,939,522.80

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Solution

The fourth proportional to 137,908,939,522.80, 206,863,409,284.20 and 137,908,939,522.80 is: 206,863,409,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,908,939,522.80 : 206,863,409,284.20 = 137,908,939,522.80 : x
  2. Step 2: Convert to fraction form
    137,908,939,522.80/206,863,409,284.20 = 137,908,939,522.80/x
  3. Step 3: Cross multiply
    137,908,939,522.80x = 206,863,409,284.20 × 137,908,939,522.80
  4. Step 4: Simplify right side
    137,908,939,522.80x = 28,528,313,400,454,962,741,248
  5. Step 5: Solve for x
    x = 28,528,313,400,454,962,741,248/137,908,939,522.80
  6. Step 6: Final answer
    x = 206,863,409,284.20

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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.