Finding the Fourth Proportional to 8,073,536,573.70, 12,110,304,860.55 and 7,202,823,639.30
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Solution
The fourth proportional to 8,073,536,573.70, 12,110,304,860.55 and 7,202,823,639.30 is: 10,804,235,458.95
Step by Step Solution
- Step 1: Write the proportion equation
8,073,536,573.70 : 12,110,304,860.55 = 7,202,823,639.30 : x - Step 2: Convert to fraction form
8,073,536,573.70/12,110,304,860.55 = 7,202,823,639.30/x - Step 3: Cross multiply
8,073,536,573.70x = 12,110,304,860.55 × 7,202,823,639.30 - Step 4: Simplify right side
8,073,536,573.70x = 87,228,390,128,699,228,160 - Step 5: Solve for x
x = 87,228,390,128,699,228,160/8,073,536,573.70 - Step 6: Final answer
x = 10,804,235,458.95
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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.