Finding the Fourth Proportional to 2,623,507,830.25, 3,935,261,745.68 and 876,710,566.93
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Solution
The fourth proportional to 2,623,507,830.25, 3,935,261,745.68 and 876,710,566.93 is: 1,315,065,850.50
Step by Step Solution
- Step 1: Write the proportion equation
2,623,507,830.25 : 3,935,261,745.68 = 876,710,566.93 : x - Step 2: Convert to fraction form
2,623,507,830.25/3,935,261,745.68 = 876,710,566.93/x - Step 3: Cross multiply
2,623,507,830.25x = 3,935,261,745.68 × 876,710,566.93 - Step 4: Simplify right side
2,623,507,830.25x = 3,450,085,556,073,053,696 - Step 5: Solve for x
x = 3,450,085,556,073,053,696/2,623,507,830.25 - Step 6: Final answer
x = 1,315,065,850.50
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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.