Finding the Fourth Proportional to 12,750,281,208, 19,086,195,369.60 and 8,319,159,334.08
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Solution
The fourth proportional to 12,750,281,208, 19,086,195,369.60 and 8,319,159,334.08 is: 12,453,144,975.46
Step by Step Solution
- Step 1: Write the proportion equation
12,750,281,208 : 19,086,195,369.60 = 8,319,159,334.08 : x - Step 2: Convert to fraction form
12,750,281,208/19,086,195,369.60 = 8,319,159,334.08/x - Step 3: Cross multiply
12,750,281,208x = 19,086,195,369.60 × 8,319,159,334.08 - Step 4: Simplify right side
12,750,281,208x = 158,781,100,361,082,306,560 - Step 5: Solve for x
x = 158,781,100,361,082,306,560/12,750,281,208 - Step 6: Final answer
x = 12,453,144,975.46
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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.