Finding the Fourth Proportional to 1,364,490,985.62, 1,882,997,563.11 and 737,959,413.47
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Solution
The fourth proportional to 1,364,490,985.62, 1,882,997,563.11 and 737,959,413.47 is: 1,018,383,992.19
Step by Step Solution
- Step 1: Write the proportion equation
1,364,490,985.62 : 1,882,997,563.11 = 737,959,413.47 : x - Step 2: Convert to fraction form
1,364,490,985.62/1,882,997,563.11 = 737,959,413.47/x - Step 3: Cross multiply
1,364,490,985.62x = 1,882,997,563.11 × 737,959,413.47 - Step 4: Simplify right side
1,364,490,985.62x = 1,389,575,777,238,094,848 - Step 5: Solve for x
x = 1,389,575,777,238,094,848/1,364,490,985.62 - Step 6: Final answer
x = 1,018,383,992.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.