Home / 801,199,556.40-1,201,799,334.60-728,498,427.60

Finding the Fourth Proportional to 801,199,556.40, 1,201,799,334.60 and 728,498,427.60

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Solution

The fourth proportional to 801,199,556.40, 1,201,799,334.60 and 728,498,427.60 is: 1,092,747,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,199,556.40 : 1,201,799,334.60 = 728,498,427.60 : x
  2. Step 2: Convert to fraction form
    801,199,556.40/1,201,799,334.60 = 728,498,427.60/x
  3. Step 3: Cross multiply
    801,199,556.40x = 1,201,799,334.60 × 728,498,427.60
  4. Step 4: Simplify right side
    801,199,556.40x = 875,508,925,546,826,240
  5. Step 5: Solve for x
    x = 875,508,925,546,826,240/801,199,556.40
  6. Step 6: Final answer
    x = 1,092,747,641.40

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1.5x scale

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.