Home / 256,829,647,564.80-385,244,471,347.20-198,056,524,492.80

Finding the Fourth Proportional to 256,829,647,564.80, 385,244,471,347.20 and 198,056,524,492.80

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Solution

The fourth proportional to 256,829,647,564.80, 385,244,471,347.20 and 198,056,524,492.80 is: 297,084,786,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,829,647,564.80 : 385,244,471,347.20 = 198,056,524,492.80 : x
  2. Step 2: Convert to fraction form
    256,829,647,564.80/385,244,471,347.20 = 198,056,524,492.80/x
  3. Step 3: Cross multiply
    256,829,647,564.80x = 385,244,471,347.20 × 198,056,524,492.80
  4. Step 4: Simplify right side
    256,829,647,564.80x = 76,300,181,075,092,503,003,136
  5. Step 5: Solve for x
    x = 76,300,181,075,092,503,003,136/256,829,647,564.80
  6. Step 6: Final answer
    x = 297,084,786,739.20

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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.