Home / 5,112,665,879.20-7,668,998,818.80-2,633,174,749.60

Finding the Fourth Proportional to 5,112,665,879.20, 7,668,998,818.80 and 2,633,174,749.60

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Solution

The fourth proportional to 5,112,665,879.20, 7,668,998,818.80 and 2,633,174,749.60 is: 3,949,762,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,665,879.20 : 7,668,998,818.80 = 2,633,174,749.60 : x
  2. Step 2: Convert to fraction form
    5,112,665,879.20/7,668,998,818.80 = 2,633,174,749.60/x
  3. Step 3: Cross multiply
    5,112,665,879.20x = 7,668,998,818.80 × 2,633,174,749.60
  4. Step 4: Simplify right side
    5,112,665,879.20x = 20,193,814,044,376,387,584
  5. Step 5: Solve for x
    x = 20,193,814,044,376,387,584/5,112,665,879.20
  6. Step 6: Final answer
    x = 3,949,762,124.40

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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.