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Finding the Fourth Proportional to 51,291,630,500.80, 76,937,445,751.20 and 51,291,630,500.80

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Solution

The fourth proportional to 51,291,630,500.80, 76,937,445,751.20 and 51,291,630,500.80 is: 76,937,445,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291,630,500.80 : 76,937,445,751.20 = 51,291,630,500.80 : x
  2. Step 2: Convert to fraction form
    51,291,630,500.80/76,937,445,751.20 = 51,291,630,500.80/x
  3. Step 3: Cross multiply
    51,291,630,500.80x = 76,937,445,751.20 × 51,291,630,500.80
  4. Step 4: Simplify right side
    51,291,630,500.80x = 3,946,247,039,145,895,526,400
  5. Step 5: Solve for x
    x = 3,946,247,039,145,895,526,400/51,291,630,500.80
  6. Step 6: Final answer
    x = 76,937,445,751.20

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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.