Home / 12,178,630,055.22-18,268,025,796.09-4,718,041,414.62

Finding the Fourth Proportional to 12,178,630,055.22, 18,268,025,796.09 and 4,718,041,414.62

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Solution

The fourth proportional to 12,178,630,055.22, 18,268,025,796.09 and 4,718,041,414.62 is: 7,077,093,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,630,055.22 : 18,268,025,796.09 = 4,718,041,414.62 : x
  2. Step 2: Convert to fraction form
    12,178,630,055.22/18,268,025,796.09 = 4,718,041,414.62/x
  3. Step 3: Cross multiply
    12,178,630,055.22x = 18,268,025,796.09 × 4,718,041,414.62
  4. Step 4: Simplify right side
    12,178,630,055.22x = 86,189,302,269,299,113,984
  5. Step 5: Solve for x
    x = 86,189,302,269,299,113,984/12,178,630,055.22
  6. Step 6: Final answer
    x = 7,077,093,390.51

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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.