Finding the Fourth Proportional to 460,544,056.65, 635,857,576.98 and 272,432,781.75
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Solution
The fourth proportional to 460,544,056.65, 635,857,576.98 and 272,432,781.75 is: 376,138,712.45
Step by Step Solution
- Step 1: Write the proportion equation
460,544,056.65 : 635,857,576.98 = 272,432,781.75 : x - Step 2: Convert to fraction form
460,544,056.65/635,857,576.98 = 272,432,781.75/x - Step 3: Cross multiply
460,544,056.65x = 635,857,576.98 × 272,432,781.75 - Step 4: Simplify right side
460,544,056.65x = 173,228,448,493,476,160 - Step 5: Solve for x
x = 173,228,448,493,476,160/460,544,056.65 - Step 6: Final answer
x = 376,138,712.45
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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.