Finding the Fourth Proportional to 431,868,842.10, 647,821,699.05 and 169,610,230.17
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Solution
The fourth proportional to 431,868,842.10, 647,821,699.05 and 169,610,230.17 is: 254,422,585.69
Step by Step Solution
- Step 1: Write the proportion equation
431,868,842.10 : 647,821,699.05 = 169,610,230.17 : x - Step 2: Convert to fraction form
431,868,842.10/647,821,699.05 = 169,610,230.17/x - Step 3: Cross multiply
431,868,842.10x = 647,821,699.05 × 169,610,230.17 - Step 4: Simplify right side
431,868,842.10x = 109,877,187,484,990,960 - Step 5: Solve for x
x = 109,877,187,484,990,960/431,868,842.10 - Step 6: Final answer
x = 254,422,585.69
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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.