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Finding the Fourth Proportional to 944,861,159.85, 1,417,291,739.78 and 944,861,159.85

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Solution

The fourth proportional to 944,861,159.85, 1,417,291,739.78 and 944,861,159.85 is: 1,417,291,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,861,159.85 : 1,417,291,739.78 = 944,861,159.85 : x
  2. Step 2: Convert to fraction form
    944,861,159.85/1,417,291,739.78 = 944,861,159.85/x
  3. Step 3: Cross multiply
    944,861,159.85x = 1,417,291,739.78 × 944,861,159.85
  4. Step 4: Simplify right side
    944,861,159.85x = 1,339,143,917,089,630,976
  5. Step 5: Solve for x
    x = 1,339,143,917,089,630,976/944,861,159.85
  6. Step 6: Final answer
    x = 1,417,291,739.78

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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.