Finding the Fourth Proportional to 407,913,246, 611,869,104.36 and 127,815,604.68
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Solution
The fourth proportional to 407,913,246, 611,869,104.36 and 127,815,604.68 is: 191,723,167.43
Step by Step Solution
- Step 1: Write the proportion equation
407,913,246 : 611,869,104.36 = 127,815,604.68 : x - Step 2: Convert to fraction form
407,913,246/611,869,104.36 = 127,815,604.68/x - Step 3: Cross multiply
407,913,246x = 611,869,104.36 × 127,815,604.68 - Step 4: Simplify right side
407,913,246x = 78,206,419,558,783,424 - Step 5: Solve for x
x = 78,206,419,558,783,424/407,913,246 - Step 6: Final answer
x = 191,723,167.43
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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.