Finding the Fourth Proportional to 1,837,170,046.80, 2,755,755,070.20 and 1,320,609,394.80
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Solution
The fourth proportional to 1,837,170,046.80, 2,755,755,070.20 and 1,320,609,394.80 is: 1,980,914,092.20
Step by Step Solution
- Step 1: Write the proportion equation
1,837,170,046.80 : 2,755,755,070.20 = 1,320,609,394.80 : x - Step 2: Convert to fraction form
1,837,170,046.80/2,755,755,070.20 = 1,320,609,394.80/x - Step 3: Cross multiply
1,837,170,046.80x = 2,755,755,070.20 × 1,320,609,394.80 - Step 4: Simplify right side
1,837,170,046.80x = 3,639,276,035,473,852,928 - Step 5: Solve for x
x = 3,639,276,035,473,852,928/1,837,170,046.80 - Step 6: Final answer
x = 1,980,914,092.20
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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.