Home / 1,728,509,540.64-2,385,342,981.22-935,555,391.24

Finding the Fourth Proportional to 1,728,509,540.64, 2,385,342,981.22 and 935,555,391.24

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Solution

The fourth proportional to 1,728,509,540.64, 2,385,342,981.22 and 935,555,391.24 is: 1,291,066,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,509,540.64 : 2,385,342,981.22 = 935,555,391.24 : x
  2. Step 2: Convert to fraction form
    1,728,509,540.64/2,385,342,981.22 = 935,555,391.24/x
  3. Step 3: Cross multiply
    1,728,509,540.64x = 2,385,342,981.22 × 935,555,391.24
  4. Step 4: Simplify right side
    1,728,509,540.64x = 2,231,620,486,036,865,024
  5. Step 5: Solve for x
    x = 2,231,620,486,036,865,024/1,728,509,540.64
  6. Step 6: Final answer
    x = 1,291,066,339.85

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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.