Finding the Fourth Proportional to 848,752,092.30, 1,273,128,138.45 and 808,575,152.70
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Solution
The fourth proportional to 848,752,092.30, 1,273,128,138.45 and 808,575,152.70 is: 1,212,862,729.05
Step by Step Solution
- Step 1: Write the proportion equation
848,752,092.30 : 1,273,128,138.45 = 808,575,152.70 : x - Step 2: Convert to fraction form
848,752,092.30/1,273,128,138.45 = 808,575,152.70/x - Step 3: Cross multiply
848,752,092.30x = 1,273,128,138.45 × 808,575,152.70 - Step 4: Simplify right side
848,752,092.30x = 1,029,419,778,953,875,584 - Step 5: Solve for x
x = 1,029,419,778,953,875,584/848,752,092.30 - Step 6: Final answer
x = 1,212,862,729.05
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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.