Home / 259,821,796.88-389,616,210.84-154,826,658.20

Finding the Fourth Proportional to 259,821,796.88, 389,616,210.84 and 154,826,658.20

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Solution

The fourth proportional to 259,821,796.88, 389,616,210.84 and 154,826,658.20 is: 232,170,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,821,796.88 : 389,616,210.84 = 154,826,658.20 : x
  2. Step 2: Convert to fraction form
    259,821,796.88/389,616,210.84 = 154,826,658.20/x
  3. Step 3: Cross multiply
    259,821,796.88x = 389,616,210.84 × 154,826,658.20
  4. Step 4: Simplify right side
    259,821,796.88x = 60,322,975,904,903,808
  5. Step 5: Solve for x
    x = 60,322,975,904,903,808/259,821,796.88
  6. Step 6: Final answer
    x = 232,170,574.71

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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.