Home / 695,368,996.80-1,042,675,581.60-286,466,481.60

Finding the Fourth Proportional to 695,368,996.80, 1,042,675,581.60 and 286,466,481.60

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Solution

The fourth proportional to 695,368,996.80, 1,042,675,581.60 and 286,466,481.60 is: 429,544,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,368,996.80 : 1,042,675,581.60 = 286,466,481.60 : x
  2. Step 2: Convert to fraction form
    695,368,996.80/1,042,675,581.60 = 286,466,481.60/x
  3. Step 3: Cross multiply
    695,368,996.80x = 1,042,675,581.60 × 286,466,481.60
  4. Step 4: Simplify right side
    695,368,996.80x = 298,691,605,311,185,728
  5. Step 5: Solve for x
    x = 298,691,605,311,185,728/695,368,996.80
  6. Step 6: Final answer
    x = 429,544,035.88

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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.