Finding the Fourth Proportional to 8,612,925,368.93, 11,888,048,485.59 and 5,609,661,932.96
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Solution
The fourth proportional to 8,612,925,368.93, 11,888,048,485.59 and 5,609,661,932.96 is: 7,742,773,818.45
Step by Step Solution
- Step 1: Write the proportion equation
8,612,925,368.93 : 11,888,048,485.59 = 5,609,661,932.96 : x - Step 2: Convert to fraction form
8,612,925,368.93/11,888,048,485.59 = 5,609,661,932.96/x - Step 3: Cross multiply
8,612,925,368.93x = 11,888,048,485.59 × 5,609,661,932.96 - Step 4: Simplify right side
8,612,925,368.93x = 66,687,933,046,797,000,704 - Step 5: Solve for x
x = 66,687,933,046,797,000,704/8,612,925,368.93 - Step 6: Final answer
x = 7,742,773,818.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.