Finding the Fourth Proportional to 985,083,415.10, 1,476,650,530.65 and 466,602,544.70
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Solution
The fourth proportional to 985,083,415.10, 1,476,650,530.65 and 466,602,544.70 is: 699,442,183.95
Step by Step Solution
- Step 1: Write the proportion equation
985,083,415.10 : 1,476,650,530.65 = 466,602,544.70 : x - Step 2: Convert to fraction form
985,083,415.10/1,476,650,530.65 = 466,602,544.70/x - Step 3: Cross multiply
985,083,415.10x = 1,476,650,530.65 × 466,602,544.70 - Step 4: Simplify right side
985,083,415.10x = 689,008,895,233,895,424 - Step 5: Solve for x
x = 689,008,895,233,895,424/985,083,415.10 - Step 6: Final answer
x = 699,442,183.95
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1.5x scale
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.