Finding the Fourth Proportional to 8,827,810,406.48, 12,185,330,403.72 and 5,260,635,909.68
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Solution
The fourth proportional to 8,827,810,406.48, 12,185,330,403.72 and 5,260,635,909.68 is: 7,261,436,725.70
Step by Step Solution
- Step 1: Write the proportion equation
8,827,810,406.48 : 12,185,330,403.72 = 5,260,635,909.68 : x - Step 2: Convert to fraction form
8,827,810,406.48/12,185,330,403.72 = 5,260,635,909.68/x - Step 3: Cross multiply
8,827,810,406.48x = 12,185,330,403.72 × 5,260,635,909.68 - Step 4: Simplify right side
8,827,810,406.48x = 64,102,586,693,124,923,392 - Step 5: Solve for x
x = 64,102,586,693,124,923,392/8,827,810,406.48 - Step 6: Final answer
x = 7,261,436,725.70
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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.