Home / 21,165,600,971.36-29,208,297,548.24-11,649,949,274.72

Finding the Fourth Proportional to 21,165,600,971.36, 29,208,297,548.24 and 11,649,949,274.72

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Solution

The fourth proportional to 21,165,600,971.36, 29,208,297,548.24 and 11,649,949,274.72 is: 16,076,802,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,165,600,971.36 : 29,208,297,548.24 = 11,649,949,274.72 : x
  2. Step 2: Convert to fraction form
    21,165,600,971.36/29,208,297,548.24 = 11,649,949,274.72/x
  3. Step 3: Cross multiply
    21,165,600,971.36x = 29,208,297,548.24 × 11,649,949,274.72
  4. Step 4: Simplify right side
    21,165,600,971.36x = 340,275,184,837,924,552,704
  5. Step 5: Solve for x
    x = 340,275,184,837,924,552,704/21,165,600,971.36
  6. Step 6: Final answer
    x = 16,076,802,416.26

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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.