Finding the Fourth Proportional to 1,584,378,653.77, 2,186,332,823.22 and 879,475,114.54
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Solution
The fourth proportional to 1,584,378,653.77, 2,186,332,823.22 and 879,475,114.54 is: 1,213,614,753.99
Step by Step Solution
- Step 1: Write the proportion equation
1,584,378,653.77 : 2,186,332,823.22 = 879,475,114.54 : x - Step 2: Convert to fraction form
1,584,378,653.77/2,186,332,823.22 = 879,475,114.54/x - Step 3: Cross multiply
1,584,378,653.77x = 2,186,332,823.22 × 879,475,114.54 - Step 4: Simplify right side
1,584,378,653.77x = 1,922,825,310,123,970,816 - Step 5: Solve for x
x = 1,922,825,310,123,970,816/1,584,378,653.77 - Step 6: Final answer
x = 1,213,614,753.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.