Finding the Fourth Proportional to 291,276,125.30, 436,914,187.95 and 264,402,269.30
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Solution
The fourth proportional to 291,276,125.30, 436,914,187.95 and 264,402,269.30 is: 396,603,403.95
Step by Step Solution
- Step 1: Write the proportion equation
291,276,125.30 : 436,914,187.95 = 264,402,269.30 : x - Step 2: Convert to fraction form
291,276,125.30/436,914,187.95 = 264,402,269.30/x - Step 3: Cross multiply
291,276,125.30x = 436,914,187.95 × 264,402,269.30 - Step 4: Simplify right side
291,276,125.30x = 115,521,102,783,346,720 - Step 5: Solve for x
x = 115,521,102,783,346,720/291,276,125.30 - Step 6: Final answer
x = 396,603,403.95
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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.