Home / 325,836,386.40-488,754,579.60-188,086,879.20

Finding the Fourth Proportional to 325,836,386.40, 488,754,579.60 and 188,086,879.20

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Solution

The fourth proportional to 325,836,386.40, 488,754,579.60 and 188,086,879.20 is: 282,130,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,836,386.40 : 488,754,579.60 = 188,086,879.20 : x
  2. Step 2: Convert to fraction form
    325,836,386.40/488,754,579.60 = 188,086,879.20/x
  3. Step 3: Cross multiply
    325,836,386.40x = 488,754,579.60 × 188,086,879.20
  4. Step 4: Simplify right side
    325,836,386.40x = 91,928,323,571,671,984
  5. Step 5: Solve for x
    x = 91,928,323,571,671,984/325,836,386.40
  6. Step 6: Final answer
    x = 282,130,318.80

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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.