Home / 21,397,998,928.31-32,069,076,877.36-11,954,261,302.23

Finding the Fourth Proportional to 21,397,998,928.31, 32,069,076,877.36 and 11,954,261,302.23

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Solution

The fourth proportional to 21,397,998,928.31, 32,069,076,877.36 and 11,954,261,302.23 is: 17,915,793,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,998,928.31 : 32,069,076,877.36 = 11,954,261,302.23 : x
  2. Step 2: Convert to fraction form
    21,397,998,928.31/32,069,076,877.36 = 11,954,261,302.23/x
  3. Step 3: Cross multiply
    21,397,998,928.31x = 32,069,076,877.36 × 11,954,261,302.23
  4. Step 4: Simplify right side
    21,397,998,928.31x = 383,362,124,713,263,497,216
  5. Step 5: Solve for x
    x = 383,362,124,713,263,497,216/21,397,998,928.31
  6. Step 6: Final answer
    x = 17,915,793,247.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.