Home / 491,379,294,923.84-678,044,698,498.95-271,618,300,643.60

Finding the Fourth Proportional to 491,379,294,923.84, 678,044,698,498.95 and 271,618,300,643.60

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Solution

The fourth proportional to 491,379,294,923.84, 678,044,698,498.95 and 271,618,300,643.60 is: 374,800,791,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,379,294,923.84 : 678,044,698,498.95 = 271,618,300,643.60 : x
  2. Step 2: Convert to fraction form
    491,379,294,923.84/678,044,698,498.95 = 271,618,300,643.60/x
  3. Step 3: Cross multiply
    491,379,294,923.84x = 678,044,698,498.95 × 271,618,300,643.60
  4. Step 4: Simplify right side
    491,379,294,923.84x = 184,169,348,766,686,896,979,968
  5. Step 5: Solve for x
    x = 184,169,348,766,686,896,979,968/491,379,294,923.84
  6. Step 6: Final answer
    x = 374,800,791,708.64

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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.