Home / 21,649,913,449.49-29,876,944,914.41-12,005,322,866.55

Finding the Fourth Proportional to 21,649,913,449.49, 29,876,944,914.41 and 12,005,322,866.55

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Solution

The fourth proportional to 21,649,913,449.49, 29,876,944,914.41 and 12,005,322,866.55 is: 16,567,381,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,913,449.49 : 29,876,944,914.41 = 12,005,322,866.55 : x
  2. Step 2: Convert to fraction form
    21,649,913,449.49/29,876,944,914.41 = 12,005,322,866.55/x
  3. Step 3: Cross multiply
    21,649,913,449.49x = 29,876,944,914.41 × 12,005,322,866.55
  4. Step 4: Simplify right side
    21,649,913,449.49x = 358,682,369,963,621,089,280
  5. Step 5: Solve for x
    x = 358,682,369,963,621,089,280/21,649,913,449.49
  6. Step 6: Final answer
    x = 16,567,381,241.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.