Home / 20,526,597,205.32-28,326,704,135.22-11,139,223,381.32

Finding the Fourth Proportional to 20,526,597,205.32, 28,326,704,135.22 and 11,139,223,381.32

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Solution

The fourth proportional to 20,526,597,205.32, 28,326,704,135.22 and 11,139,223,381.32 is: 15,372,128,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,597,205.32 : 28,326,704,135.22 = 11,139,223,381.32 : x
  2. Step 2: Convert to fraction form
    20,526,597,205.32/28,326,704,135.22 = 11,139,223,381.32/x
  3. Step 3: Cross multiply
    20,526,597,205.32x = 28,326,704,135.22 × 11,139,223,381.32
  4. Step 4: Simplify right side
    20,526,597,205.32x = 315,537,485,018,776,535,040
  5. Step 5: Solve for x
    x = 315,537,485,018,776,535,040/20,526,597,205.32
  6. Step 6: Final answer
    x = 15,372,128,261.81

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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.