Home / 447,314,910.40-670,972,365.60-124,198,782.40

Finding the Fourth Proportional to 447,314,910.40, 670,972,365.60 and 124,198,782.40

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Solution

The fourth proportional to 447,314,910.40, 670,972,365.60 and 124,198,782.40 is: 186,298,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,314,910.40 : 670,972,365.60 = 124,198,782.40 : x
  2. Step 2: Convert to fraction form
    447,314,910.40/670,972,365.60 = 124,198,782.40/x
  3. Step 3: Cross multiply
    447,314,910.40x = 670,972,365.60 × 124,198,782.40
  4. Step 4: Simplify right side
    447,314,910.40x = 83,333,950,831,567,648
  5. Step 5: Solve for x
    x = 83,333,950,831,567,648/447,314,910.40
  6. Step 6: Final answer
    x = 186,298,173.60

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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.