Home / 21,434,415,224.54-29,579,517,532.74-11,918,762,669.90

Finding the Fourth Proportional to 21,434,415,224.54, 29,579,517,532.74 and 11,918,762,669.90

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Solution

The fourth proportional to 21,434,415,224.54, 29,579,517,532.74 and 11,918,762,669.90 is: 16,447,906,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434,415,224.54 : 29,579,517,532.74 = 11,918,762,669.90 : x
  2. Step 2: Convert to fraction form
    21,434,415,224.54/29,579,517,532.74 = 11,918,762,669.90/x
  3. Step 3: Cross multiply
    21,434,415,224.54x = 29,579,517,532.74 × 11,918,762,669.90
  4. Step 4: Simplify right side
    21,434,415,224.54x = 352,551,249,362,726,223,872
  5. Step 5: Solve for x
    x = 352,551,249,362,726,223,872/21,434,415,224.54
  6. Step 6: Final answer
    x = 16,447,906,120.58

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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.