Finding the Fourth Proportional to 2,185,103,458.29, 3,278,731,380.07 and 1,020,402,677.10
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Solution
The fourth proportional to 2,185,103,458.29, 3,278,731,380.07 and 1,020,402,677.10 is: 1,531,106,577.60
Step by Step Solution
- Step 1: Write the proportion equation
2,185,103,458.29 : 3,278,731,380.07 = 1,020,402,677.10 : x - Step 2: Convert to fraction form
2,185,103,458.29/3,278,731,380.07 = 1,020,402,677.10/x - Step 3: Cross multiply
2,185,103,458.29x = 3,278,731,380.07 × 1,020,402,677.10 - Step 4: Simplify right side
2,185,103,458.29x = 3,345,626,277,715,205,632 - Step 5: Solve for x
x = 3,345,626,277,715,205,632/2,185,103,458.29 - Step 6: Final answer
x = 1,531,106,577.60
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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.