Finding the Fourth Proportional to 2,215,245,235.04, 3,057,979,717.36 and 1,380,282,344
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Solution
The fourth proportional to 2,215,245,235.04, 3,057,979,717.36 and 1,380,282,344 is: 1,905,376,138.69
Step by Step Solution
- Step 1: Write the proportion equation
2,215,245,235.04 : 3,057,979,717.36 = 1,380,282,344 : x - Step 2: Convert to fraction form
2,215,245,235.04/3,057,979,717.36 = 1,380,282,344/x - Step 3: Cross multiply
2,215,245,235.04x = 3,057,979,717.36 × 1,380,282,344 - Step 4: Simplify right side
2,215,245,235.04x = 4,220,875,412,182,118,400 - Step 5: Solve for x
x = 4,220,875,412,182,118,400/2,215,245,235.04 - Step 6: Final answer
x = 1,905,376,138.69
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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.