Home / 356,089,178.40-534,133,767.60-331,146,880.80

Finding the Fourth Proportional to 356,089,178.40, 534,133,767.60 and 331,146,880.80

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Solution

The fourth proportional to 356,089,178.40, 534,133,767.60 and 331,146,880.80 is: 496,720,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,089,178.40 : 534,133,767.60 = 331,146,880.80 : x
  2. Step 2: Convert to fraction form
    356,089,178.40/534,133,767.60 = 331,146,880.80/x
  3. Step 3: Cross multiply
    356,089,178.40x = 534,133,767.60 × 331,146,880.80
  4. Step 4: Simplify right side
    356,089,178.40x = 176,876,731,070,692,128
  5. Step 5: Solve for x
    x = 176,876,731,070,692,128/356,089,178.40
  6. Step 6: Final answer
    x = 496,720,321.20

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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.