Home / 452,455,509,209.67-678,752,999,505.33-154,265,707,236.21

Finding the Fourth Proportional to 452,455,509,209.67, 678,752,999,505.33 and 154,265,707,236.21

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Solution

The fourth proportional to 452,455,509,209.67, 678,752,999,505.33 and 154,265,707,236.21 is: 231,422,337,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,455,509,209.67 : 678,752,999,505.33 = 154,265,707,236.21 : x
  2. Step 2: Convert to fraction form
    452,455,509,209.67/678,752,999,505.33 = 154,265,707,236.21/x
  3. Step 3: Cross multiply
    452,455,509,209.67x = 678,752,999,505.33 × 154,265,707,236.21
  4. Step 4: Simplify right side
    452,455,509,209.67x = 104,708,311,507,388,617,195,520
  5. Step 5: Solve for x
    x = 104,708,311,507,388,617,195,520/452,455,509,209.67
  6. Step 6: Final answer
    x = 231,422,337,392.44

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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.