Finding the Fourth Proportional to 2,879,202,961.56, 3,973,299,118.68 and 1,559,103,517.56
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Solution
The fourth proportional to 2,879,202,961.56, 3,973,299,118.68 and 1,559,103,517.56 is: 2,151,562,329.91
Step by Step Solution
- Step 1: Write the proportion equation
2,879,202,961.56 : 3,973,299,118.68 = 1,559,103,517.56 : x - Step 2: Convert to fraction form
2,879,202,961.56/3,973,299,118.68 = 1,559,103,517.56/x - Step 3: Cross multiply
2,879,202,961.56x = 3,973,299,118.68 × 1,559,103,517.56 - Step 4: Simplify right side
2,879,202,961.56x = 6,194,784,632,252,035,072 - Step 5: Solve for x
x = 6,194,784,632,252,035,072/2,879,202,961.56 - Step 6: Final answer
x = 2,151,562,329.91
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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.