Home / 634,640,410.56-875,805,454.62-352,383,376.44

Finding the Fourth Proportional to 634,640,410.56, 875,805,454.62 and 352,383,376.44

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Solution

The fourth proportional to 634,640,410.56, 875,805,454.62 and 352,383,376.44 is: 486,289,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,640,410.56 : 875,805,454.62 = 352,383,376.44 : x
  2. Step 2: Convert to fraction form
    634,640,410.56/875,805,454.62 = 352,383,376.44/x
  3. Step 3: Cross multiply
    634,640,410.56x = 875,805,454.62 × 352,383,376.44
  4. Step 4: Simplify right side
    634,640,410.56x = 308,619,283,203,564,800
  5. Step 5: Solve for x
    x = 308,619,283,203,564,800/634,640,410.56
  6. Step 6: Final answer
    x = 486,289,996.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.