Finding the Fourth Proportional to 460,148,257.44, 635,020,263.70 and 272,137,717.66
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Solution
The fourth proportional to 460,148,257.44, 635,020,263.70 and 272,137,717.66 is: 375,559,316.89
Step by Step Solution
- Step 1: Write the proportion equation
460,148,257.44 : 635,020,263.70 = 272,137,717.66 : x - Step 2: Convert to fraction form
460,148,257.44/635,020,263.70 = 272,137,717.66/x - Step 3: Cross multiply
460,148,257.44x = 635,020,263.70 × 272,137,717.66 - Step 4: Simplify right side
460,148,257.44x = 172,812,965,231,169,376 - Step 5: Solve for x
x = 172,812,965,231,169,376/460,148,257.44 - Step 6: Final answer
x = 375,559,316.89
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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.