Finding the Fourth Proportional to 1,837,167,701.80, 2,755,751,552.70 and 1,320,607,049.80
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Solution
The fourth proportional to 1,837,167,701.80, 2,755,751,552.70 and 1,320,607,049.80 is: 1,980,910,574.70
Step by Step Solution
- Step 1: Write the proportion equation
1,837,167,701.80 : 2,755,751,552.70 = 1,320,607,049.80 : x - Step 2: Convert to fraction form
1,837,167,701.80/2,755,751,552.70 = 1,320,607,049.80/x - Step 3: Cross multiply
1,837,167,701.80x = 2,755,751,552.70 × 1,320,607,049.80 - Step 4: Simplify right side
1,837,167,701.80x = 3,639,264,927,992,915,968 - Step 5: Solve for x
x = 3,639,264,927,992,915,968/1,837,167,701.80 - Step 6: Final answer
x = 1,980,910,574.70
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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.