Home / 1,087,863,147,328.40-1,631,182,413,895.60-361,405,561,042.51

Finding the Fourth Proportional to 1,087,863,147,328.40, 1,631,182,413,895.60 and 361,405,561,042.51

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Solution

The fourth proportional to 1,087,863,147,328.40, 1,631,182,413,895.60 and 361,405,561,042.51 is: 541,904,923,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,863,147,328.40 : 1,631,182,413,895.60 = 361,405,561,042.51 : x
  2. Step 2: Convert to fraction form
    1,087,863,147,328.40/1,631,182,413,895.60 = 361,405,561,042.51/x
  3. Step 3: Cross multiply
    1,087,863,147,328.40x = 1,631,182,413,895.60 × 361,405,561,042.51
  4. Step 4: Simplify right side
    1,087,863,147,328.40x = 589,518,395,456,615,140,556,800
  5. Step 5: Solve for x
    x = 589,518,395,456,615,140,556,800/1,087,863,147,328.40
  6. Step 6: Final answer
    x = 541,904,923,339.27

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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.