Finding the Fourth Proportional to 848,752,198.80, 1,273,128,298.20 and 808,575,259.20
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Solution
The fourth proportional to 848,752,198.80, 1,273,128,298.20 and 808,575,259.20 is: 1,212,862,888.80
Step by Step Solution
- Step 1: Write the proportion equation
848,752,198.80 : 1,273,128,298.20 = 808,575,259.20 : x - Step 2: Convert to fraction form
848,752,198.80/1,273,128,298.20 = 808,575,259.20/x - Step 3: Cross multiply
848,752,198.80x = 1,273,128,298.20 × 808,575,259.20 - Step 4: Simplify right side
848,752,198.80x = 1,029,420,043,711,920,000 - Step 5: Solve for x
x = 1,029,420,043,711,920,000/848,752,198.80 - Step 6: Final answer
x = 1,212,862,888.80
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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.