Home / 906,867,999.80-1,360,301,999.70-361,693,676.60

Finding the Fourth Proportional to 906,867,999.80, 1,360,301,999.70 and 361,693,676.60

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Solution

The fourth proportional to 906,867,999.80, 1,360,301,999.70 and 361,693,676.60 is: 542,540,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,867,999.80 : 1,360,301,999.70 = 361,693,676.60 : x
  2. Step 2: Convert to fraction form
    906,867,999.80/1,360,301,999.70 = 361,693,676.60/x
  3. Step 3: Cross multiply
    906,867,999.80x = 1,360,301,999.70 × 361,693,676.60
  4. Step 4: Simplify right side
    906,867,999.80x = 492,012,631,557,825,152
  5. Step 5: Solve for x
    x = 492,012,631,557,825,152/906,867,999.80
  6. Step 6: Final answer
    x = 542,540,514.90

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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.