Finding the Fourth Proportional to 8,503,075,260.40, 12,754,612,890.60 and 2,982,891,305.20
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Solution
The fourth proportional to 8,503,075,260.40, 12,754,612,890.60 and 2,982,891,305.20 is: 4,474,336,957.80
Step by Step Solution
- Step 1: Write the proportion equation
8,503,075,260.40 : 12,754,612,890.60 = 2,982,891,305.20 : x - Step 2: Convert to fraction form
8,503,075,260.40/12,754,612,890.60 = 2,982,891,305.20/x - Step 3: Cross multiply
8,503,075,260.40x = 12,754,612,890.60 × 2,982,891,305.20 - Step 4: Simplify right side
8,503,075,260.40x = 38,045,623,892,562,575,360 - Step 5: Solve for x
x = 38,045,623,892,562,575,360/8,503,075,260.40 - Step 6: Final answer
x = 4,474,336,957.80
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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.