Finding the Fourth Proportional to 366,471,750.30, 549,707,625.45 and 221,069,492.70
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Solution
The fourth proportional to 366,471,750.30, 549,707,625.45 and 221,069,492.70 is: 331,604,239.05
Step by Step Solution
- Step 1: Write the proportion equation
366,471,750.30 : 549,707,625.45 = 221,069,492.70 : x - Step 2: Convert to fraction form
366,471,750.30/549,707,625.45 = 221,069,492.70/x - Step 3: Cross multiply
366,471,750.30x = 549,707,625.45 × 221,069,492.70 - Step 4: Simplify right side
366,471,750.30x = 121,523,585,891,553,120 - Step 5: Solve for x
x = 121,523,585,891,553,120/366,471,750.30 - Step 6: Final answer
x = 331,604,239.05
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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.