Finding the Fourth Proportional to 459,480,638.68, 634,087,328.03 and 250,637,710.12
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Solution
The fourth proportional to 459,480,638.68, 634,087,328.03 and 250,637,710.12 is: 345,882,247.33
Step by Step Solution
- Step 1: Write the proportion equation
459,480,638.68 : 634,087,328.03 = 250,637,710.12 : x - Step 2: Convert to fraction form
459,480,638.68/634,087,328.03 = 250,637,710.12/x - Step 3: Cross multiply
459,480,638.68x = 634,087,328.03 × 250,637,710.12 - Step 4: Simplify right side
459,480,638.68x = 158,926,195,913,548,480 - Step 5: Solve for x
x = 158,926,195,913,548,480/459,480,638.68 - Step 6: Final answer
x = 345,882,247.33
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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.