Home / 767,601,071.04-1,059,314,513.76-419,920,559.04

Finding the Fourth Proportional to 767,601,071.04, 1,059,314,513.76 and 419,920,559.04

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Solution

The fourth proportional to 767,601,071.04, 1,059,314,513.76 and 419,920,559.04 is: 579,504,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,601,071.04 : 1,059,314,513.76 = 419,920,559.04 : x
  2. Step 2: Convert to fraction form
    767,601,071.04/1,059,314,513.76 = 419,920,559.04/x
  3. Step 3: Cross multiply
    767,601,071.04x = 1,059,314,513.76 × 419,920,559.04
  4. Step 4: Simplify right side
    767,601,071.04x = 444,827,942,817,284,992
  5. Step 5: Solve for x
    x = 444,827,942,817,284,992/767,601,071.04
  6. Step 6: Final answer
    x = 579,504,067.41

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Double scale
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1.5x scale

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.