Finding the Fourth Proportional to 459,926,992.68, 634,696,021.12 and 251,083,135.32
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Solution
The fourth proportional to 459,926,992.68, 634,696,021.12 and 251,083,135.32 is: 346,492,964.09
Step by Step Solution
- Step 1: Write the proportion equation
459,926,992.68 : 634,696,021.12 = 251,083,135.32 : x - Step 2: Convert to fraction form
459,926,992.68/634,696,021.12 = 251,083,135.32/x - Step 3: Cross multiply
459,926,992.68x = 634,696,021.12 × 251,083,135.32 - Step 4: Simplify right side
459,926,992.68x = 159,361,466,957,938,528 - Step 5: Solve for x
x = 159,361,466,957,938,528/459,926,992.68 - Step 6: Final answer
x = 346,492,964.09
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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.