Home / 7,940,595,498.40-11,911,341,145.20-2,420,033,629.60

Finding the Fourth Proportional to 7,940,595,498.40, 11,911,341,145.20 and 2,420,033,629.60

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Solution

The fourth proportional to 7,940,595,498.40, 11,911,341,145.20 and 2,420,033,629.60 is: 3,630,186,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,595,498.40 : 11,911,341,145.20 = 2,420,033,629.60 : x
  2. Step 2: Convert to fraction form
    7,940,595,498.40/11,911,341,145.20 = 2,420,033,629.60/x
  3. Step 3: Cross multiply
    7,940,595,498.40x = 11,911,341,145.20 × 2,420,033,629.60
  4. Step 4: Simplify right side
    7,940,595,498.40x = 28,825,846,145,022,177,280
  5. Step 5: Solve for x
    x = 28,825,846,145,022,177,280/7,940,595,498.40
  6. Step 6: Final answer
    x = 3,630,186,948.93

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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.