Finding the Fourth Proportional to 1,166,703,618.60, 1,749,775,491.90 and 674,352,181.80
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Solution
The fourth proportional to 1,166,703,618.60, 1,749,775,491.90 and 674,352,181.80 is: 1,011,366,470.29
Step by Step Solution
- Step 1: Write the proportion equation
1,166,703,618.60 : 1,749,775,491.90 = 674,352,181.80 : x - Step 2: Convert to fraction form
1,166,703,618.60/1,749,775,491.90 = 674,352,181.80/x - Step 3: Cross multiply
1,166,703,618.60x = 1,749,775,491.90 × 674,352,181.80 - Step 4: Simplify right side
1,166,703,618.60x = 1,179,964,920,622,933,248 - Step 5: Solve for x
x = 1,179,964,920,622,933,248/1,166,703,618.60 - Step 6: Final answer
x = 1,011,366,470.29
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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.