Home / 301,037,410.23-415,609,735.15-189,623,752.47

Finding the Fourth Proportional to 301,037,410.23, 415,609,735.15 and 189,623,752.47

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Solution

The fourth proportional to 301,037,410.23, 415,609,735.15 and 189,623,752.47 is: 261,792,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,037,410.23 : 415,609,735.15 = 189,623,752.47 : x
  2. Step 2: Convert to fraction form
    301,037,410.23/415,609,735.15 = 189,623,752.47/x
  3. Step 3: Cross multiply
    301,037,410.23x = 415,609,735.15 × 189,623,752.47
  4. Step 4: Simplify right side
    301,037,410.23x = 78,809,477,542,442,896
  5. Step 5: Solve for x
    x = 78,809,477,542,442,896/301,037,410.23
  6. Step 6: Final answer
    x = 261,792,969.46

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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.