Finding the Fourth Proportional to 460,220,491.95, 635,100,072.08 and 251,376,571.95
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Solution
The fourth proportional to 460,220,491.95, 635,100,072.08 and 251,376,571.95 is: 346,897,371.49
Step by Step Solution
- Step 1: Write the proportion equation
460,220,491.95 : 635,100,072.08 = 251,376,571.95 : x - Step 2: Convert to fraction form
460,220,491.95/635,100,072.08 = 251,376,571.95/x - Step 3: Cross multiply
460,220,491.95x = 635,100,072.08 × 251,376,571.95 - Step 4: Simplify right side
460,220,491.95x = 159,649,278,963,411,424 - Step 5: Solve for x
x = 159,649,278,963,411,424/460,220,491.95 - Step 6: Final answer
x = 346,897,371.49
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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.