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Finding the Fourth Proportional to 15,171,900,915.70, 22,757,851,373.55 and 15,171,900,915.70

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Solution

The fourth proportional to 15,171,900,915.70, 22,757,851,373.55 and 15,171,900,915.70 is: 22,757,851,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,900,915.70 : 22,757,851,373.55 = 15,171,900,915.70 : x
  2. Step 2: Convert to fraction form
    15,171,900,915.70/22,757,851,373.55 = 15,171,900,915.70/x
  3. Step 3: Cross multiply
    15,171,900,915.70x = 22,757,851,373.55 × 15,171,900,915.70
  4. Step 4: Simplify right side
    15,171,900,915.70x = 345,279,866,093,727,776,768
  5. Step 5: Solve for x
    x = 345,279,866,093,727,776,768/15,171,900,915.70
  6. Step 6: Final answer
    x = 22,757,851,373.55

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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.