Finding the Fourth Proportional to 636,331,236.48, 953,877,817.98 and 304,251,950.07
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Solution
The fourth proportional to 636,331,236.48, 953,877,817.98 and 304,251,950.07 is: 456,081,942.25
Step by Step Solution
- Step 1: Write the proportion equation
636,331,236.48 : 953,877,817.98 = 304,251,950.07 : x - Step 2: Convert to fraction form
636,331,236.48/953,877,817.98 = 304,251,950.07/x - Step 3: Cross multiply
636,331,236.48x = 953,877,817.98 × 304,251,950.07 - Step 4: Simplify right side
636,331,236.48x = 290,219,186,248,931,520 - Step 5: Solve for x
x = 290,219,186,248,931,520/636,331,236.48 - Step 6: Final answer
x = 456,081,942.25
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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.