Home / 12,178,630,053.72-18,268,025,793.84-4,718,041,413.12

Finding the Fourth Proportional to 12,178,630,053.72, 18,268,025,793.84 and 4,718,041,413.12

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Solution

The fourth proportional to 12,178,630,053.72, 18,268,025,793.84 and 4,718,041,413.12 is: 7,077,093,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,630,053.72 : 18,268,025,793.84 = 4,718,041,413.12 : x
  2. Step 2: Convert to fraction form
    12,178,630,053.72/18,268,025,793.84 = 4,718,041,413.12/x
  3. Step 3: Cross multiply
    12,178,630,053.72x = 18,268,025,793.84 × 4,718,041,413.12
  4. Step 4: Simplify right side
    12,178,630,053.72x = 86,189,302,231,281,483,776
  5. Step 5: Solve for x
    x = 86,189,302,231,281,483,776/12,178,630,053.72
  6. Step 6: Final answer
    x = 7,077,093,388.26

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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.