Home / 28,530,665,023.01-42,758,768,846.87-15,939,014,854.91

Finding the Fourth Proportional to 28,530,665,023.01, 42,758,768,846.87 and 15,939,014,854.91

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Solution

The fourth proportional to 28,530,665,023.01, 42,758,768,846.87 and 15,939,014,854.91 is: 23,887,724,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,023.01 : 42,758,768,846.87 = 15,939,014,854.91 : x
  2. Step 2: Convert to fraction form
    28,530,665,023.01/42,758,768,846.87 = 15,939,014,854.91/x
  3. Step 3: Cross multiply
    28,530,665,023.01x = 42,758,768,846.87 × 15,939,014,854.91
  4. Step 4: Simplify right side
    28,530,665,023.01x = 681,532,651,827,630,309,376
  5. Step 5: Solve for x
    x = 681,532,651,827,630,309,376/28,530,665,023.01
  6. Step 6: Final answer
    x = 23,887,724,007.77

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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.