Home / 328,064,468.40-492,096,702.60-191,679,649.20

Finding the Fourth Proportional to 328,064,468.40, 492,096,702.60 and 191,679,649.20

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Solution

The fourth proportional to 328,064,468.40, 492,096,702.60 and 191,679,649.20 is: 287,519,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,064,468.40 : 492,096,702.60 = 191,679,649.20 : x
  2. Step 2: Convert to fraction form
    328,064,468.40/492,096,702.60 = 191,679,649.20/x
  3. Step 3: Cross multiply
    328,064,468.40x = 492,096,702.60 × 191,679,649.20
  4. Step 4: Simplify right side
    328,064,468.40x = 94,324,923,326,844,720
  5. Step 5: Solve for x
    x = 94,324,923,326,844,720/328,064,468.40
  6. Step 6: Final answer
    x = 287,519,473.80

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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.