Home / 15,288,741,880.04-21,099,118,367.94-8,514,560,422.64

Finding the Fourth Proportional to 15,288,741,880.04, 21,099,118,367.94 and 8,514,560,422.64

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Solution

The fourth proportional to 15,288,741,880.04, 21,099,118,367.94 and 8,514,560,422.64 is: 11,750,457,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288,741,880.04 : 21,099,118,367.94 = 8,514,560,422.64 : x
  2. Step 2: Convert to fraction form
    15,288,741,880.04/21,099,118,367.94 = 8,514,560,422.64/x
  3. Step 3: Cross multiply
    15,288,741,880.04x = 21,099,118,367.94 × 8,514,560,422.64
  4. Step 4: Simplify right side
    15,288,741,880.04x = 179,649,718,208,258,605,056
  5. Step 5: Solve for x
    x = 179,649,718,208,258,605,056/15,288,741,880.04
  6. Step 6: Final answer
    x = 11,750,457,926.35

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1.5x scale

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.