Home / 913,975,170.60-1,370,005,902.79-382,491,105.42

Finding the Fourth Proportional to 913,975,170.60, 1,370,005,902.79 and 382,491,105.42

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Solution

The fourth proportional to 913,975,170.60, 1,370,005,902.79 and 382,491,105.42 is: 573,336,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,975,170.60 : 1,370,005,902.79 = 382,491,105.42 : x
  2. Step 2: Convert to fraction form
    913,975,170.60/1,370,005,902.79 = 382,491,105.42/x
  3. Step 3: Cross multiply
    913,975,170.60x = 1,370,005,902.79 × 382,491,105.42
  4. Step 4: Simplify right side
    913,975,170.60x = 524,015,072,189,115,904
  5. Step 5: Solve for x
    x = 524,015,072,189,115,904/913,975,170.60
  6. Step 6: Final answer
    x = 573,336,222.96

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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.