Home / 19,659,165,518-29,485,519,769.28-8,464,025,712.32

Finding the Fourth Proportional to 19,659,165,518, 29,485,519,769.28 and 8,464,025,712.32

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Solution

The fourth proportional to 19,659,165,518, 29,485,519,769.28 and 8,464,025,712.32 is: 12,694,648,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,165,518 : 29,485,519,769.28 = 8,464,025,712.32 : x
  2. Step 2: Convert to fraction form
    19,659,165,518/29,485,519,769.28 = 8,464,025,712.32/x
  3. Step 3: Cross multiply
    19,659,165,518x = 29,485,519,769.28 × 8,464,025,712.32
  4. Step 4: Simplify right side
    19,659,165,518x = 249,566,197,468,305,588,224
  5. Step 5: Solve for x
    x = 249,566,197,468,305,588,224/19,659,165,518
  6. Step 6: Final answer
    x = 12,694,648,571.92

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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.