Finding the Fourth Proportional to 2,087,165,411,577.20, 3,131,201,024,790 and 634,990,332,259.05
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Solution
The fourth proportional to 2,087,165,411,577.20, 3,131,201,024,790 and 634,990,332,259.05 is: 952,623,289,018.00
Step by Step Solution
- Step 1: Write the proportion equation
2,087,165,411,577.20 : 3,131,201,024,790 = 634,990,332,259.05 : x - Step 2: Convert to fraction form
2,087,165,411,577.20/3,131,201,024,790 = 634,990,332,259.05/x - Step 3: Cross multiply
2,087,165,411,577.20x = 3,131,201,024,790 × 634,990,332,259.05 - Step 4: Simplify right side
2,087,165,411,577.20x = 1,988,282,379,101,280,017,580,032 - Step 5: Solve for x
x = 1,988,282,379,101,280,017,580,032/2,087,165,411,577.20 - Step 6: Final answer
x = 952,623,289,018.00
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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.