Home / 21,856,451,180.64-30,161,896,284.24-11,831,938,646.64

Finding the Fourth Proportional to 21,856,451,180.64, 30,161,896,284.24 and 11,831,938,646.64

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Solution

The fourth proportional to 21,856,451,180.64, 30,161,896,284.24 and 11,831,938,646.64 is: 16,328,071,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,451,180.64 : 30,161,896,284.24 = 11,831,938,646.64 : x
  2. Step 2: Convert to fraction form
    21,856,451,180.64/30,161,896,284.24 = 11,831,938,646.64/x
  3. Step 3: Cross multiply
    21,856,451,180.64x = 30,161,896,284.24 × 11,831,938,646.64
  4. Step 4: Simplify right side
    21,856,451,180.64x = 356,873,706,301,446,684,672
  5. Step 5: Solve for x
    x = 356,873,706,301,446,684,672/21,856,451,180.64
  6. Step 6: Final answer
    x = 16,328,071,897.49

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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.