Home / 325,836,384.40-488,754,576.60-188,086,877.20

Finding the Fourth Proportional to 325,836,384.40, 488,754,576.60 and 188,086,877.20

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Solution

The fourth proportional to 325,836,384.40, 488,754,576.60 and 188,086,877.20 is: 282,130,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,836,384.40 : 488,754,576.60 = 188,086,877.20 : x
  2. Step 2: Convert to fraction form
    325,836,384.40/488,754,576.60 = 188,086,877.20/x
  3. Step 3: Cross multiply
    325,836,384.40x = 488,754,576.60 × 188,086,877.20
  4. Step 4: Simplify right side
    325,836,384.40x = 91,928,322,029,902,192
  5. Step 5: Solve for x
    x = 91,928,322,029,902,192/325,836,384.40
  6. Step 6: Final answer
    x = 282,130,315.80

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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.