Home / 491,379,294,922.84-678,044,698,497.54-271,618,300,642.60

Finding the Fourth Proportional to 491,379,294,922.84, 678,044,698,497.54 and 271,618,300,642.60

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Solution

The fourth proportional to 491,379,294,922.84, 678,044,698,497.54 and 271,618,300,642.60 is: 374,800,791,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,379,294,922.84 : 678,044,698,497.54 = 271,618,300,642.60 : x
  2. Step 2: Convert to fraction form
    491,379,294,922.84/678,044,698,497.54 = 271,618,300,642.60/x
  3. Step 3: Cross multiply
    491,379,294,922.84x = 678,044,698,497.54 × 271,618,300,642.60
  4. Step 4: Simplify right side
    491,379,294,922.84x = 184,169,348,765,625,905,840,128
  5. Step 5: Solve for x
    x = 184,169,348,765,625,905,840,128/491,379,294,922.84
  6. Step 6: Final answer
    x = 374,800,791,707.24

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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.