Finding the Fourth Proportional to 477,840,270.96, 659,452,715.95 and 289,676,495.96
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Solution
The fourth proportional to 477,840,270.96, 659,452,715.95 and 289,676,495.96 is: 399,773,655.79
Step by Step Solution
- Step 1: Write the proportion equation
477,840,270.96 : 659,452,715.95 = 289,676,495.96 : x - Step 2: Convert to fraction form
477,840,270.96/659,452,715.95 = 289,676,495.96/x - Step 3: Cross multiply
477,840,270.96x = 659,452,715.95 × 289,676,495.96 - Step 4: Simplify right side
477,840,270.96x = 191,027,952,007,701,216 - Step 5: Solve for x
x = 191,027,952,007,701,216/477,840,270.96 - Step 6: Final answer
x = 399,773,655.79
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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.