Home / 465,153,158.90-641,882,436.44-256,297,613.78

Finding the Fourth Proportional to 465,153,158.90, 641,882,436.44 and 256,297,613.78

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Solution

The fourth proportional to 465,153,158.90, 641,882,436.44 and 256,297,613.78 is: 353,674,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,153,158.90 : 641,882,436.44 = 256,297,613.78 : x
  2. Step 2: Convert to fraction form
    465,153,158.90/641,882,436.44 = 256,297,613.78/x
  3. Step 3: Cross multiply
    465,153,158.90x = 641,882,436.44 × 256,297,613.78
  4. Step 4: Simplify right side
    465,153,158.90x = 164,512,936,786,864,544
  5. Step 5: Solve for x
    x = 164,512,936,786,864,544/465,153,158.90
  6. Step 6: Final answer
    x = 353,674,770.64

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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.