Home / 767,904,230.49-1,059,707,821.60-415,480,221.29

Finding the Fourth Proportional to 767,904,230.49, 1,059,707,821.60 and 415,480,221.29

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Solution

The fourth proportional to 767,904,230.49, 1,059,707,821.60 and 415,480,221.29 is: 573,362,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,904,230.49 : 1,059,707,821.60 = 415,480,221.29 : x
  2. Step 2: Convert to fraction form
    767,904,230.49/1,059,707,821.60 = 415,480,221.29/x
  3. Step 3: Cross multiply
    767,904,230.49x = 1,059,707,821.60 × 415,480,221.29
  4. Step 4: Simplify right side
    767,904,230.49x = 440,287,640,224,259,712
  5. Step 5: Solve for x
    x = 440,287,640,224,259,712/767,904,230.49
  6. Step 6: Final answer
    x = 573,362,696.47

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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.