Home / 465,254,913.78-642,147,055.56-277,193,376

Finding the Fourth Proportional to 465,254,913.78, 642,147,055.56 and 277,193,376

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Solution

The fourth proportional to 465,254,913.78, 642,147,055.56 and 277,193,376 is: 382,583,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,254,913.78 : 642,147,055.56 = 277,193,376 : x
  2. Step 2: Convert to fraction form
    465,254,913.78/642,147,055.56 = 277,193,376/x
  3. Step 3: Cross multiply
    465,254,913.78x = 642,147,055.56 × 277,193,376
  4. Step 4: Simplify right side
    465,254,913.78x = 177,998,910,219,135,968
  5. Step 5: Solve for x
    x = 177,998,910,219,135,968/465,254,913.78
  6. Step 6: Final answer
    x = 382,583,622.33

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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.