Finding the Fourth Proportional to 995,328,998.40, 1,492,993,497.60 and 633,427,737.60
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Solution
The fourth proportional to 995,328,998.40, 1,492,993,497.60 and 633,427,737.60 is: 950,141,606.40
Step by Step Solution
- Step 1: Write the proportion equation
995,328,998.40 : 1,492,993,497.60 = 633,427,737.60 : x - Step 2: Convert to fraction form
995,328,998.40/1,492,993,497.60 = 633,427,737.60/x - Step 3: Cross multiply
995,328,998.40x = 1,492,993,497.60 × 633,427,737.60 - Step 4: Simplify right side
995,328,998.40x = 945,703,493,436,279,040 - Step 5: Solve for x
x = 945,703,493,436,279,040/995,328,998.40 - Step 6: Final answer
x = 950,141,606.40
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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.