Home / 515,959,239.33-774,271,822.41-188,407,327.77

Finding the Fourth Proportional to 515,959,239.33, 774,271,822.41 and 188,407,327.77

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Solution

The fourth proportional to 515,959,239.33, 774,271,822.41 and 188,407,327.77 is: 282,732,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,959,239.33 : 774,271,822.41 = 188,407,327.77 : x
  2. Step 2: Convert to fraction form
    515,959,239.33/774,271,822.41 = 188,407,327.77/x
  3. Step 3: Cross multiply
    515,959,239.33x = 774,271,822.41 × 188,407,327.77
  4. Step 4: Simplify right side
    515,959,239.33x = 145,878,485,027,876,096
  5. Step 5: Solve for x
    x = 145,878,485,027,876,096/515,959,239.33
  6. Step 6: Final answer
    x = 282,732,576.35

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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.