Home / 512,040,714.63-767,750,047.53-200,775,411.91

Finding the Fourth Proportional to 512,040,714.63, 767,750,047.53 and 200,775,411.91

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Solution

The fourth proportional to 512,040,714.63, 767,750,047.53 and 200,775,411.91 is: 301,041,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,040,714.63 : 767,750,047.53 = 200,775,411.91 : x
  2. Step 2: Convert to fraction form
    512,040,714.63/767,750,047.53 = 200,775,411.91/x
  3. Step 3: Cross multiply
    512,040,714.63x = 767,750,047.53 × 200,775,411.91
  4. Step 4: Simplify right side
    512,040,714.63x = 154,145,332,036,757,824
  5. Step 5: Solve for x
    x = 154,145,332,036,757,824/512,040,714.63
  6. Step 6: Final answer
    x = 301,041,162.61

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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.