Home / 7,940,595,896.40-11,911,341,742.20-2,420,034,027.60

Finding the Fourth Proportional to 7,940,595,896.40, 11,911,341,742.20 and 2,420,034,027.60

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Solution

The fourth proportional to 7,940,595,896.40, 11,911,341,742.20 and 2,420,034,027.60 is: 3,630,187,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,595,896.40 : 11,911,341,742.20 = 2,420,034,027.60 : x
  2. Step 2: Convert to fraction form
    7,940,595,896.40/11,911,341,742.20 = 2,420,034,027.60/x
  3. Step 3: Cross multiply
    7,940,595,896.40x = 11,911,341,742.20 × 2,420,034,027.60
  4. Step 4: Simplify right side
    7,940,595,896.40x = 28,825,852,330,496,266,240
  5. Step 5: Solve for x
    x = 28,825,852,330,496,266,240/7,940,595,896.40
  6. Step 6: Final answer
    x = 3,630,187,545.95

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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.