Home / 626,515,962,361.41-938,814,752,458.73-421,549,961,304.02

Finding the Fourth Proportional to 626,515,962,361.41, 938,814,752,458.73 and 421,549,961,304.02

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Solution

The fourth proportional to 626,515,962,361.41, 938,814,752,458.73 and 421,549,961,304.02 is: 631,679,552,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,515,962,361.41 : 938,814,752,458.73 = 421,549,961,304.02 : x
  2. Step 2: Convert to fraction form
    626,515,962,361.41/938,814,752,458.73 = 421,549,961,304.02/x
  3. Step 3: Cross multiply
    626,515,962,361.41x = 938,814,752,458.73 × 421,549,961,304.02
  4. Step 4: Simplify right side
    626,515,962,361.41x = 395,757,322,570,620,743,974,912
  5. Step 5: Solve for x
    x = 395,757,322,570,620,743,974,912/626,515,962,361.41
  6. Step 6: Final answer
    x = 631,679,552,231.94

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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.