Home / 27,687,583,361.95-38,208,366,977.29-15,644,335,597.75

Finding the Fourth Proportional to 27,687,583,361.95, 38,208,366,977.29 and 15,644,335,597.75

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Solution

The fourth proportional to 27,687,583,361.95, 38,208,366,977.29 and 15,644,335,597.75 is: 21,588,901,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,583,361.95 : 38,208,366,977.29 = 15,644,335,597.75 : x
  2. Step 2: Convert to fraction form
    27,687,583,361.95/38,208,366,977.29 = 15,644,335,597.75/x
  3. Step 3: Cross multiply
    27,687,583,361.95x = 38,208,366,977.29 × 15,644,335,597.75
  4. Step 4: Simplify right side
    27,687,583,361.95x = 597,744,515,634,682,265,600
  5. Step 5: Solve for x
    x = 597,744,515,634,682,265,600/27,687,583,361.95
  6. Step 6: Final answer
    x = 21,588,901,704.44

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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.