Finding the Fourth Proportional to 2,192,330,219.80, 3,288,495,329.70 and 556,554,821.80
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Solution
The fourth proportional to 2,192,330,219.80, 3,288,495,329.70 and 556,554,821.80 is: 834,832,232.70
Step by Step Solution
- Step 1: Write the proportion equation
2,192,330,219.80 : 3,288,495,329.70 = 556,554,821.80 : x - Step 2: Convert to fraction form
2,192,330,219.80/3,288,495,329.70 = 556,554,821.80/x - Step 3: Cross multiply
2,192,330,219.80x = 3,288,495,329.70 × 556,554,821.80 - Step 4: Simplify right side
2,192,330,219.80x = 1,830,227,932,211,315,456 - Step 5: Solve for x
x = 1,830,227,932,211,315,456/2,192,330,219.80 - Step 6: Final answer
x = 834,832,232.70
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1.5x scale
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.