Finding the Fourth Proportional to 995,328,671.80, 1,492,993,007.70 and 348,863,135.80
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Solution
The fourth proportional to 995,328,671.80, 1,492,993,007.70 and 348,863,135.80 is: 523,294,703.70
Step by Step Solution
- Step 1: Write the proportion equation
995,328,671.80 : 1,492,993,007.70 = 348,863,135.80 : x - Step 2: Convert to fraction form
995,328,671.80/1,492,993,007.70 = 348,863,135.80/x - Step 3: Cross multiply
995,328,671.80x = 1,492,993,007.70 × 348,863,135.80 - Step 4: Simplify right side
995,328,671.80x = 520,850,222,393,695,552 - Step 5: Solve for x
x = 520,850,222,393,695,552/995,328,671.80 - Step 6: Final answer
x = 523,294,703.70
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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.