Finding the Fourth Proportional to 1,465,007,612.40, 2,197,511,418.60 and 1,352,767,273.20
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Solution
The fourth proportional to 1,465,007,612.40, 2,197,511,418.60 and 1,352,767,273.20 is: 2,029,150,909.80
Step by Step Solution
- Step 1: Write the proportion equation
1,465,007,612.40 : 2,197,511,418.60 = 1,352,767,273.20 : x - Step 2: Convert to fraction form
1,465,007,612.40/2,197,511,418.60 = 1,352,767,273.20/x - Step 3: Cross multiply
1,465,007,612.40x = 2,197,511,418.60 × 1,352,767,273.20 - Step 4: Simplify right side
1,465,007,612.40x = 2,972,721,529,565,385,728 - Step 5: Solve for x
x = 2,972,721,529,565,385,728/1,465,007,612.40 - Step 6: Final answer
x = 2,029,150,909.80
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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.