Home / 801,459,365.80-1,203,084,843.90-620,508,735.40

Finding the Fourth Proportional to 801,459,365.80, 1,203,084,843.90 and 620,508,735.40

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Solution

The fourth proportional to 801,459,365.80, 1,203,084,843.90 and 620,508,735.40 is: 931,456,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,459,365.80 : 1,203,084,843.90 = 620,508,735.40 : x
  2. Step 2: Convert to fraction form
    801,459,365.80/1,203,084,843.90 = 620,508,735.40/x
  3. Step 3: Cross multiply
    801,459,365.80x = 1,203,084,843.90 × 620,508,735.40
  4. Step 4: Simplify right side
    801,459,365.80x = 746,524,655,067,295,488
  5. Step 5: Solve for x
    x = 746,524,655,067,295,488/801,459,365.80
  6. Step 6: Final answer
    x = 931,456,648.86

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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.