Home / 1,182,927,380.80-1,774,223,109.60-406,608,865.60

Finding the Fourth Proportional to 1,182,927,380.80, 1,774,223,109.60 and 406,608,865.60

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Solution

The fourth proportional to 1,182,927,380.80, 1,774,223,109.60 and 406,608,865.60 is: 609,855,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,927,380.80 : 1,774,223,109.60 = 406,608,865.60 : x
  2. Step 2: Convert to fraction form
    1,182,927,380.80/1,774,223,109.60 = 406,608,865.60/x
  3. Step 3: Cross multiply
    1,182,927,380.80x = 1,774,223,109.60 × 406,608,865.60
  4. Step 4: Simplify right side
    1,182,927,380.80x = 721,414,845,915,760,512
  5. Step 5: Solve for x
    x = 721,414,845,915,760,512/1,182,927,380.80
  6. Step 6: Final answer
    x = 609,855,564.78

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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.