Finding the Fourth Proportional to 1,043,591,234.18, 1,565,345,995.32 and 353,498,487.26
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Solution
The fourth proportional to 1,043,591,234.18, 1,565,345,995.32 and 353,498,487.26 is: 530,233,891.64
Step by Step Solution
- Step 1: Write the proportion equation
1,043,591,234.18 : 1,565,345,995.32 = 353,498,487.26 : x - Step 2: Convert to fraction form
1,043,591,234.18/1,565,345,995.32 = 353,498,487.26/x - Step 3: Cross multiply
1,043,591,234.18x = 1,565,345,995.32 × 353,498,487.26 - Step 4: Simplify right side
1,043,591,234.18x = 553,347,441,384,118,976 - Step 5: Solve for x
x = 553,347,441,384,118,976/1,043,591,234.18 - Step 6: Final answer
x = 530,233,891.64
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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.