Home / 1,763,147,860.44-2,644,721,397-642,755,514.48

Finding the Fourth Proportional to 1,763,147,860.44, 2,644,721,397 and 642,755,514.48

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Solution

The fourth proportional to 1,763,147,860.44, 2,644,721,397 and 642,755,514.48 is: 964,133,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,147,860.44 : 2,644,721,397 = 642,755,514.48 : x
  2. Step 2: Convert to fraction form
    1,763,147,860.44/2,644,721,397 = 642,755,514.48/x
  3. Step 3: Cross multiply
    1,763,147,860.44x = 2,644,721,397 × 642,755,514.48
  4. Step 4: Simplify right side
    1,763,147,860.44x = 1,699,909,262,184,999,424
  5. Step 5: Solve for x
    x = 1,699,909,262,184,999,424/1,763,147,860.44
  6. Step 6: Final answer
    x = 964,133,128.21

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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.