Home / 456,117,262.62-629,488,736.78-277,513,830.54

Finding the Fourth Proportional to 456,117,262.62, 629,488,736.78 and 277,513,830.54

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Solution

The fourth proportional to 456,117,262.62, 629,488,736.78 and 277,513,830.54 is: 382,997,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,117,262.62 : 629,488,736.78 = 277,513,830.54 : x
  2. Step 2: Convert to fraction form
    456,117,262.62/629,488,736.78 = 277,513,830.54/x
  3. Step 3: Cross multiply
    456,117,262.62x = 629,488,736.78 × 277,513,830.54
  4. Step 4: Simplify right side
    456,117,262.62x = 174,691,830,624,216,032
  5. Step 5: Solve for x
    x = 174,691,830,624,216,032/456,117,262.62
  6. Step 6: Final answer
    x = 382,997,630.08

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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.