Finding the Fourth Proportional to 493,628,496.36, 740,227,484.20 and 186,705,375.63
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Solution
The fourth proportional to 493,628,496.36, 740,227,484.20 and 186,705,375.63 is: 279,976,645.41
Step by Step Solution
- Step 1: Write the proportion equation
493,628,496.36 : 740,227,484.20 = 186,705,375.63 : x - Step 2: Convert to fraction form
493,628,496.36/740,227,484.20 = 186,705,375.63/x - Step 3: Cross multiply
493,628,496.36x = 740,227,484.20 × 186,705,375.63 - Step 4: Simplify right side
493,628,496.36x = 138,204,450,489,210,896 - Step 5: Solve for x
x = 138,204,450,489,210,896/493,628,496.36 - Step 6: Final answer
x = 279,976,645.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.