Home / 1,296,476,176.44-1,945,023,644.44-423,079,169.72

Finding the Fourth Proportional to 1,296,476,176.44, 1,945,023,644.44 and 423,079,169.72

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Solution

The fourth proportional to 1,296,476,176.44, 1,945,023,644.44 and 423,079,169.72 is: 634,719,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,476,176.44 : 1,945,023,644.44 = 423,079,169.72 : x
  2. Step 2: Convert to fraction form
    1,296,476,176.44/1,945,023,644.44 = 423,079,169.72/x
  3. Step 3: Cross multiply
    1,296,476,176.44x = 1,945,023,644.44 × 423,079,169.72
  4. Step 4: Simplify right side
    1,296,476,176.44x = 822,898,988,575,443,712
  5. Step 5: Solve for x
    x = 822,898,988,575,443,712/1,296,476,176.44
  6. Step 6: Final answer
    x = 634,719,714.51

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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.