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Finding the Fourth Proportional to 4,478,978,052.90, 6,718,467,079.35 and 4,478,978,052.90

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Solution

The fourth proportional to 4,478,978,052.90, 6,718,467,079.35 and 4,478,978,052.90 is: 6,718,467,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478,978,052.90 : 6,718,467,079.35 = 4,478,978,052.90 : x
  2. Step 2: Convert to fraction form
    4,478,978,052.90/6,718,467,079.35 = 4,478,978,052.90/x
  3. Step 3: Cross multiply
    4,478,978,052.90x = 6,718,467,079.35 × 4,478,978,052.90
  4. Step 4: Simplify right side
    4,478,978,052.90x = 30,091,866,597,539,811,328
  5. Step 5: Solve for x
    x = 30,091,866,597,539,811,328/4,478,978,052.90
  6. Step 6: Final answer
    x = 6,718,467,079.35

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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.