Finding the Fourth Proportional to 18,398,862,636.05, 25,390,380,251.57 and 10,260,674,886.44
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Solution
The fourth proportional to 18,398,862,636.05, 25,390,380,251.57 and 10,260,674,886.44 is: 14,159,703,355.46
Step by Step Solution
- Step 1: Write the proportion equation
18,398,862,636.05 : 25,390,380,251.57 = 10,260,674,886.44 : x - Step 2: Convert to fraction form
18,398,862,636.05/25,390,380,251.57 = 10,260,674,886.44/x - Step 3: Cross multiply
18,398,862,636.05x = 25,390,380,251.57 × 10,260,674,886.44 - Step 4: Simplify right side
18,398,862,636.05x = 260,522,437,004,445,876,224 - Step 5: Solve for x
x = 260,522,437,004,445,876,224/18,398,862,636.05 - Step 6: Final answer
x = 14,159,703,355.46
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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.