Home / 491,379,294,897.72-678,044,698,463.07-271,618,300,617.71

Finding the Fourth Proportional to 491,379,294,897.72, 678,044,698,463.07 and 271,618,300,617.71

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Solution

The fourth proportional to 491,379,294,897.72, 678,044,698,463.07 and 271,618,300,617.71 is: 374,800,791,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,379,294,897.72 : 678,044,698,463.07 = 271,618,300,617.71 : x
  2. Step 2: Convert to fraction form
    491,379,294,897.72/678,044,698,463.07 = 271,618,300,617.71/x
  3. Step 3: Cross multiply
    491,379,294,897.72x = 678,044,698,463.07 × 271,618,300,617.71
  4. Step 4: Simplify right side
    491,379,294,897.72x = 184,169,348,739,386,642,006,016
  5. Step 5: Solve for x
    x = 184,169,348,739,386,642,006,016/491,379,294,897.72
  6. Step 6: Final answer
    x = 374,800,791,673.00

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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.