Home / 343,839,177.60-515,758,766.40-206,089,670.40

Finding the Fourth Proportional to 343,839,177.60, 515,758,766.40 and 206,089,670.40

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Solution

The fourth proportional to 343,839,177.60, 515,758,766.40 and 206,089,670.40 is: 309,134,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,839,177.60 : 515,758,766.40 = 206,089,670.40 : x
  2. Step 2: Convert to fraction form
    343,839,177.60/515,758,766.40 = 206,089,670.40/x
  3. Step 3: Cross multiply
    343,839,177.60x = 515,758,766.40 × 206,089,670.40
  4. Step 4: Simplify right side
    343,839,177.60x = 106,292,554,173,286,592
  5. Step 5: Solve for x
    x = 106,292,554,173,286,592/343,839,177.60
  6. Step 6: Final answer
    x = 309,134,505.60

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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.