Finding the Fourth Proportional to 798,901,436.62, 1,102,518,030.84 and 446,477,416.96
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Solution
The fourth proportional to 798,901,436.62, 1,102,518,030.84 and 446,477,416.96 is: 616,157,863.78
Step by Step Solution
- Step 1: Write the proportion equation
798,901,436.62 : 1,102,518,030.84 = 446,477,416.96 : x - Step 2: Convert to fraction form
798,901,436.62/1,102,518,030.84 = 446,477,416.96/x - Step 3: Cross multiply
798,901,436.62x = 1,102,518,030.84 × 446,477,416.96 - Step 4: Simplify right side
798,901,436.62x = 492,249,402,561,268,736 - Step 5: Solve for x
x = 492,249,402,561,268,736/798,901,436.62 - Step 6: Final answer
x = 616,157,863.78
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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.