Home / 1,213,649,044.62-1,674,838,592.91-656,738,067.66

Finding the Fourth Proportional to 1,213,649,044.62, 1,674,838,592.91 and 656,738,067.66

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Solution

The fourth proportional to 1,213,649,044.62, 1,674,838,592.91 and 656,738,067.66 is: 906,300,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,649,044.62 : 1,674,838,592.91 = 656,738,067.66 : x
  2. Step 2: Convert to fraction form
    1,213,649,044.62/1,674,838,592.91 = 656,738,067.66/x
  3. Step 3: Cross multiply
    1,213,649,044.62x = 1,674,838,592.91 × 656,738,067.66
  4. Step 4: Simplify right side
    1,213,649,044.62x = 1,099,930,261,150,106,752
  5. Step 5: Solve for x
    x = 1,099,930,261,150,106,752/1,213,649,044.62
  6. Step 6: Final answer
    x = 906,300,108.77

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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.