Home / 804,659,190-1,111,272,741.72-554,414,256.24

Finding the Fourth Proportional to 804,659,190, 1,111,272,741.72 and 554,414,256.24

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Solution

The fourth proportional to 804,659,190, 1,111,272,741.72 and 554,414,256.24 is: 765,672,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,659,190 : 1,111,272,741.72 = 554,414,256.24 : x
  2. Step 2: Convert to fraction form
    804,659,190/1,111,272,741.72 = 554,414,256.24/x
  3. Step 3: Cross multiply
    804,659,190x = 1,111,272,741.72 × 554,414,256.24
  4. Step 4: Simplify right side
    804,659,190x = 616,105,450,580,479,488
  5. Step 5: Solve for x
    x = 616,105,450,580,479,488/804,659,190
  6. Step 6: Final answer
    x = 765,672,545.89

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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.