Home / 325,836,385.40-488,754,578.10-188,086,878.20

Finding the Fourth Proportional to 325,836,385.40, 488,754,578.10 and 188,086,878.20

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Solution

The fourth proportional to 325,836,385.40, 488,754,578.10 and 188,086,878.20 is: 282,130,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,836,385.40 : 488,754,578.10 = 188,086,878.20 : x
  2. Step 2: Convert to fraction form
    325,836,385.40/488,754,578.10 = 188,086,878.20/x
  3. Step 3: Cross multiply
    325,836,385.40x = 488,754,578.10 × 188,086,878.20
  4. Step 4: Simplify right side
    325,836,385.40x = 91,928,322,800,787,088
  5. Step 5: Solve for x
    x = 91,928,322,800,787,088/325,836,385.40
  6. Step 6: Final answer
    x = 282,130,317.30

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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.