Finding the Fourth Proportional to 459,480,636.18, 634,087,324.58 and 250,637,707.62
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Solution
The fourth proportional to 459,480,636.18, 634,087,324.58 and 250,637,707.62 is: 345,882,243.88
Step by Step Solution
- Step 1: Write the proportion equation
459,480,636.18 : 634,087,324.58 = 250,637,707.62 : x - Step 2: Convert to fraction form
459,480,636.18/634,087,324.58 = 250,637,707.62/x - Step 3: Cross multiply
459,480,636.18x = 634,087,324.58 × 250,637,707.62 - Step 4: Simplify right side
459,480,636.18x = 158,926,193,462,376,896 - Step 5: Solve for x
x = 158,926,193,462,376,896/459,480,636.18 - Step 6: Final answer
x = 345,882,243.88
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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.