Finding the Fourth Proportional to 739,805,269.95, 1,020,682,556.40 and 426,532,653.99
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Solution
The fourth proportional to 739,805,269.95, 1,020,682,556.40 and 426,532,653.99 is: 588,471,665.92
Step by Step Solution
- Step 1: Write the proportion equation
739,805,269.95 : 1,020,682,556.40 = 426,532,653.99 : x - Step 2: Convert to fraction form
739,805,269.95/1,020,682,556.40 = 426,532,653.99/x - Step 3: Cross multiply
739,805,269.95x = 1,020,682,556.40 × 426,532,653.99 - Step 4: Simplify right side
739,805,269.95x = 435,354,439,662,589,888 - Step 5: Solve for x
x = 435,354,439,662,589,888/739,805,269.95 - Step 6: Final answer
x = 588,471,665.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.