Finding the Fourth Proportional to 5,902,892,603.51, 8,854,338,905.87 and 1,972,598,760.97
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Solution
The fourth proportional to 5,902,892,603.51, 8,854,338,905.87 and 1,972,598,760.97 is: 2,958,898,141.65
Step by Step Solution
- Step 1: Write the proportion equation
5,902,892,603.51 : 8,854,338,905.87 = 1,972,598,760.97 : x - Step 2: Convert to fraction form
5,902,892,603.51/8,854,338,905.87 = 1,972,598,760.97/x - Step 3: Cross multiply
5,902,892,603.51x = 8,854,338,905.87 × 1,972,598,760.97 - Step 4: Simplify right side
5,902,892,603.51x = 17,466,057,954,895,628,288 - Step 5: Solve for x
x = 17,466,057,954,895,628,288/5,902,892,603.51 - Step 6: Final answer
x = 2,958,898,141.65
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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.