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Finding the Fourth Proportional to 319,463,042.08, 477,933,735.06 and 241,963,197.88

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Solution

The fourth proportional to 319,463,042.08, 477,933,735.06 and 241,963,197.88 is: 361,989,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,463,042.08 : 477,933,735.06 = 241,963,197.88 : x
  2. Step 2: Convert to fraction form
    319,463,042.08/477,933,735.06 = 241,963,197.88/x
  3. Step 3: Cross multiply
    319,463,042.08x = 477,933,735.06 × 241,963,197.88
  4. Step 4: Simplify right side
    319,463,042.08x = 115,642,374,909,850,272
  5. Step 5: Solve for x
    x = 115,642,374,909,850,272/319,463,042.08
  6. Step 6: Final answer
    x = 361,989,838.19

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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.