Home / 379,334,566.94-523,493,203.25-212,077,875.31

Finding the Fourth Proportional to 379,334,566.94, 523,493,203.25 and 212,077,875.31

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Solution

The fourth proportional to 379,334,566.94, 523,493,203.25 and 212,077,875.31 is: 292,673,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,334,566.94 : 523,493,203.25 = 212,077,875.31 : x
  2. Step 2: Convert to fraction form
    379,334,566.94/523,493,203.25 = 212,077,875.31/x
  3. Step 3: Cross multiply
    379,334,566.94x = 523,493,203.25 × 212,077,875.31
  4. Step 4: Simplify right side
    379,334,566.94x = 111,021,326,283,707,456
  5. Step 5: Solve for x
    x = 111,021,326,283,707,456/379,334,566.94
  6. Step 6: Final answer
    x = 292,673,897.82

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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.