Home / 320,868,403.40-481,302,605.10-299,185,610.60

Finding the Fourth Proportional to 320,868,403.40, 481,302,605.10 and 299,185,610.60

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Solution

The fourth proportional to 320,868,403.40, 481,302,605.10 and 299,185,610.60 is: 448,778,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,868,403.40 : 481,302,605.10 = 299,185,610.60 : x
  2. Step 2: Convert to fraction form
    320,868,403.40/481,302,605.10 = 299,185,610.60/x
  3. Step 3: Cross multiply
    320,868,403.40x = 481,302,605.10 × 299,185,610.60
  4. Step 4: Simplify right side
    320,868,403.40x = 143,998,813,790,214,192
  5. Step 5: Solve for x
    x = 143,998,813,790,214,192/320,868,403.40
  6. Step 6: Final answer
    x = 448,778,415.90

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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.