Home / 801,202,321.40-1,201,803,482.10-728,501,192.60

Finding the Fourth Proportional to 801,202,321.40, 1,201,803,482.10 and 728,501,192.60

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Solution

The fourth proportional to 801,202,321.40, 1,201,803,482.10 and 728,501,192.60 is: 1,092,751,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,202,321.40 : 1,201,803,482.10 = 728,501,192.60 : x
  2. Step 2: Convert to fraction form
    801,202,321.40/1,201,803,482.10 = 728,501,192.60/x
  3. Step 3: Cross multiply
    801,202,321.40x = 1,201,803,482.10 × 728,501,192.60
  4. Step 4: Simplify right side
    801,202,321.40x = 875,515,269,980,682,752
  5. Step 5: Solve for x
    x = 875,515,269,980,682,752/801,202,321.40
  6. Step 6: Final answer
    x = 1,092,751,788.90

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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.