Finding the Fourth Proportional to 995,329,643.80, 1,492,994,465.70 and 670,454,584.60
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Solution
The fourth proportional to 995,329,643.80, 1,492,994,465.70 and 670,454,584.60 is: 1,005,681,876.90
Step by Step Solution
- Step 1: Write the proportion equation
995,329,643.80 : 1,492,994,465.70 = 670,454,584.60 : x - Step 2: Convert to fraction form
995,329,643.80/1,492,994,465.70 = 670,454,584.60/x - Step 3: Cross multiply
995,329,643.80x = 1,492,994,465.70 × 670,454,584.60 - Step 4: Simplify right side
995,329,643.80x = 1,000,984,984,310,992,512 - Step 5: Solve for x
x = 1,000,984,984,310,992,512/995,329,643.80 - Step 6: Final answer
x = 1,005,681,876.90
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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.