Finding the Fourth Proportional to 1,505,998,584.80, 2,259,128,062.56 and 415,481,652.80
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Solution
The fourth proportional to 1,505,998,584.80, 2,259,128,062.56 and 415,481,652.80 is: 623,258,395.32
Step by Step Solution
- Step 1: Write the proportion equation
1,505,998,584.80 : 2,259,128,062.56 = 415,481,652.80 : x - Step 2: Convert to fraction form
1,505,998,584.80/2,259,128,062.56 = 415,481,652.80/x - Step 3: Cross multiply
1,505,998,584.80x = 2,259,128,062.56 × 415,481,652.80 - Step 4: Simplify right side
1,505,998,584.80x = 938,626,261,319,290,624 - Step 5: Solve for x
x = 938,626,261,319,290,624/1,505,998,584.80 - Step 6: Final answer
x = 623,258,395.32
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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.