Finding the Fourth Proportional to 276,438,304.84, 381,478,001.34 and 158,960,836.12
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Solution
The fourth proportional to 276,438,304.84, 381,478,001.34 and 158,960,836.12 is: 219,362,009.51
Step by Step Solution
- Step 1: Write the proportion equation
276,438,304.84 : 381,478,001.34 = 158,960,836.12 : x - Step 2: Convert to fraction form
276,438,304.84/381,478,001.34 = 158,960,836.12/x - Step 3: Cross multiply
276,438,304.84x = 381,478,001.34 × 158,960,836.12 - Step 4: Simplify right side
276,438,304.84x = 60,640,062,054,392,880 - Step 5: Solve for x
x = 60,640,062,054,392,880/276,438,304.84 - Step 6: Final answer
x = 219,362,009.51
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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.