Home / 28,437,821,143.86-39,229,314,642.32-17,583,422,633.72

Finding the Fourth Proportional to 28,437,821,143.86, 39,229,314,642.32 and 17,583,422,633.72

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Solution

The fourth proportional to 28,437,821,143.86, 39,229,314,642.32 and 17,583,422,633.72 is: 24,255,923,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437,821,143.86 : 39,229,314,642.32 = 17,583,422,633.72 : x
  2. Step 2: Convert to fraction form
    28,437,821,143.86/39,229,314,642.32 = 17,583,422,633.72/x
  3. Step 3: Cross multiply
    28,437,821,143.86x = 39,229,314,642.32 × 17,583,422,633.72
  4. Step 4: Simplify right side
    28,437,821,143.86x = 689,785,618,986,808,901,632
  5. Step 5: Solve for x
    x = 689,785,618,986,808,901,632/28,437,821,143.86
  6. Step 6: Final answer
    x = 24,255,923,669.30

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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.