Finding the Fourth Proportional to 1,868,192,292.97, 2,578,159,172.70 and 1,032,870,671.96
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Solution
The fourth proportional to 1,868,192,292.97, 2,578,159,172.70 and 1,032,870,671.96 is: 1,425,391,276.45
Step by Step Solution
- Step 1: Write the proportion equation
1,868,192,292.97 : 2,578,159,172.70 = 1,032,870,671.96 : x - Step 2: Convert to fraction form
1,868,192,292.97/2,578,159,172.70 = 1,032,870,671.96/x - Step 3: Cross multiply
1,868,192,292.97x = 2,578,159,172.70 × 1,032,870,671.96 - Step 4: Simplify right side
1,868,192,292.97x = 2,662,904,997,131,948,032 - Step 5: Solve for x
x = 2,662,904,997,131,948,032/1,868,192,292.97 - Step 6: Final answer
x = 1,425,391,276.45
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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.