Home / 1,001,408,067.96-1,382,025,864-555,515,192.40

Finding the Fourth Proportional to 1,001,408,067.96, 1,382,025,864 and 555,515,192.40

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Solution

The fourth proportional to 1,001,408,067.96, 1,382,025,864 and 555,515,192.40 is: 766,656,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,408,067.96 : 1,382,025,864 = 555,515,192.40 : x
  2. Step 2: Convert to fraction form
    1,001,408,067.96/1,382,025,864 = 555,515,192.40/x
  3. Step 3: Cross multiply
    1,001,408,067.96x = 1,382,025,864 × 555,515,192.40
  4. Step 4: Simplify right side
    1,001,408,067.96x = 767,736,363,741,736,192
  5. Step 5: Solve for x
    x = 767,736,363,741,736,192/1,001,408,067.96
  6. Step 6: Final answer
    x = 766,656,858.78

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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.