Home / 675,224,506.32-931,907,286.26-389,061,225.54

Finding the Fourth Proportional to 675,224,506.32, 931,907,286.26 and 389,061,225.54

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Solution

The fourth proportional to 675,224,506.32, 931,907,286.26 and 389,061,225.54 is: 536,960,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,224,506.32 : 931,907,286.26 = 389,061,225.54 : x
  2. Step 2: Convert to fraction form
    675,224,506.32/931,907,286.26 = 389,061,225.54/x
  3. Step 3: Cross multiply
    675,224,506.32x = 931,907,286.26 × 389,061,225.54
  4. Step 4: Simplify right side
    675,224,506.32x = 362,568,990,881,971,200
  5. Step 5: Solve for x
    x = 362,568,990,881,971,200/675,224,506.32
  6. Step 6: Final answer
    x = 536,960,651.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.