Home / 374,435,015.20-561,652,522.80-251,991,008.80

Finding the Fourth Proportional to 374,435,015.20, 561,652,522.80 and 251,991,008.80

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Solution

The fourth proportional to 374,435,015.20, 561,652,522.80 and 251,991,008.80 is: 377,986,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,435,015.20 : 561,652,522.80 = 251,991,008.80 : x
  2. Step 2: Convert to fraction form
    374,435,015.20/561,652,522.80 = 251,991,008.80/x
  3. Step 3: Cross multiply
    374,435,015.20x = 561,652,522.80 × 251,991,008.80
  4. Step 4: Simplify right side
    374,435,015.20x = 141,531,385,815,436,992
  5. Step 5: Solve for x
    x = 141,531,385,815,436,992/374,435,015.20
  6. Step 6: Final answer
    x = 377,986,513.20

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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.