Home / 484,076,745.47-668,006,176.78-285,902,396.57

Finding the Fourth Proportional to 484,076,745.47, 668,006,176.78 and 285,902,396.57

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Solution

The fourth proportional to 484,076,745.47, 668,006,176.78 and 285,902,396.57 is: 394,533,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,076,745.47 : 668,006,176.78 = 285,902,396.57 : x
  2. Step 2: Convert to fraction form
    484,076,745.47/668,006,176.78 = 285,902,396.57/x
  3. Step 3: Cross multiply
    484,076,745.47x = 668,006,176.78 × 285,902,396.57
  4. Step 4: Simplify right side
    484,076,745.47x = 190,984,566,860,910,304
  5. Step 5: Solve for x
    x = 190,984,566,860,910,304/484,076,745.47
  6. Step 6: Final answer
    x = 394,533,653.29

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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.