Home / 8,518,720,826.55-12,778,341,558.86-2,922,579,415.56

Finding the Fourth Proportional to 8,518,720,826.55, 12,778,341,558.86 and 2,922,579,415.56

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Solution

The fourth proportional to 8,518,720,826.55, 12,778,341,558.86 and 2,922,579,415.56 is: 4,383,958,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,720,826.55 : 12,778,341,558.86 = 2,922,579,415.56 : x
  2. Step 2: Convert to fraction form
    8,518,720,826.55/12,778,341,558.86 = 2,922,579,415.56/x
  3. Step 3: Cross multiply
    8,518,720,826.55x = 12,778,341,558.86 × 2,922,579,415.56
  4. Step 4: Simplify right side
    8,518,720,826.55x = 37,345,718,004,910,350,336
  5. Step 5: Solve for x
    x = 37,345,718,004,910,350,336/8,518,720,826.55
  6. Step 6: Final answer
    x = 4,383,958,432.88

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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.