Finding the Fourth Proportional to 8,421,973,877.57, 12,612,906,407.57 and 4,873,236,485.96
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Solution
The fourth proportional to 8,421,973,877.57, 12,612,906,407.57 and 4,873,236,485.96 is: 7,298,250,575.56
Step by Step Solution
- Step 1: Write the proportion equation
8,421,973,877.57 : 12,612,906,407.57 = 4,873,236,485.96 : x - Step 2: Convert to fraction form
8,421,973,877.57/12,612,906,407.57 = 4,873,236,485.96/x - Step 3: Cross multiply
8,421,973,877.57x = 12,612,906,407.57 × 4,873,236,485.96 - Step 4: Simplify right side
8,421,973,877.57x = 61,465,675,699,281,362,944 - Step 5: Solve for x
x = 61,465,675,699,281,362,944/8,421,973,877.57 - Step 6: Final answer
x = 7,298,250,575.56
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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.