Finding the Fourth Proportional to 8,739,665,623.31, 13,103,861,985.66 and 3,428,314,449.09
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Solution
The fourth proportional to 8,739,665,623.31, 13,103,861,985.66 and 3,428,314,449.09 is: 5,140,260,659.92
Step by Step Solution
- Step 1: Write the proportion equation
8,739,665,623.31 : 13,103,861,985.66 = 3,428,314,449.09 : x - Step 2: Convert to fraction form
8,739,665,623.31/13,103,861,985.66 = 3,428,314,449.09/x - Step 3: Cross multiply
8,739,665,623.31x = 13,103,861,985.66 × 3,428,314,449.09 - Step 4: Simplify right side
8,739,665,623.31x = 44,924,159,384,319,361,024 - Step 5: Solve for x
x = 44,924,159,384,319,361,024/8,739,665,623.31 - Step 6: Final answer
x = 5,140,260,659.92
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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.