Finding the Fourth Proportional to 1,586,363,281.20, 2,378,033,267.40 and 1,236,415,287.60
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Solution
The fourth proportional to 1,586,363,281.20, 2,378,033,267.40 and 1,236,415,287.60 is: 1,853,444,744.39
Step by Step Solution
- Step 1: Write the proportion equation
1,586,363,281.20 : 2,378,033,267.40 = 1,236,415,287.60 : x - Step 2: Convert to fraction form
1,586,363,281.20/2,378,033,267.40 = 1,236,415,287.60/x - Step 3: Cross multiply
1,586,363,281.20x = 2,378,033,267.40 × 1,236,415,287.60 - Step 4: Simplify right side
1,586,363,281.20x = 2,940,236,686,234,738,688 - Step 5: Solve for x
x = 2,940,236,686,234,738,688/1,586,363,281.20 - Step 6: Final answer
x = 1,853,444,744.39
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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.