Finding the Fourth Proportional to 8,631,600,769.68, 11,911,482,294.53 and 4,821,179,328.62
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Solution
The fourth proportional to 8,631,600,769.68, 11,911,482,294.53 and 4,821,179,328.62 is: 6,653,156,667.46
Step by Step Solution
- Step 1: Write the proportion equation
8,631,600,769.68 : 11,911,482,294.53 = 4,821,179,328.62 : x - Step 2: Convert to fraction form
8,631,600,769.68/11,911,482,294.53 = 4,821,179,328.62/x - Step 3: Cross multiply
8,631,600,769.68x = 11,911,482,294.53 × 4,821,179,328.62 - Step 4: Simplify right side
8,631,600,769.68x = 57,427,392,211,611,164,672 - Step 5: Solve for x
x = 57,427,392,211,611,164,672/8,631,600,769.68 - Step 6: Final answer
x = 6,653,156,667.46
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1.5x scale
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.