Finding the Fourth Proportional to 493,543,511.28, 735,902,860.97 and 479,983,794.32
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Solution
The fourth proportional to 493,543,511.28, 735,902,860.97 and 479,983,794.32 is: 715,684,512.89
Step by Step Solution
- Step 1: Write the proportion equation
493,543,511.28 : 735,902,860.97 = 479,983,794.32 : x - Step 2: Convert to fraction form
493,543,511.28/735,902,860.97 = 479,983,794.32/x - Step 3: Cross multiply
493,543,511.28x = 735,902,860.97 × 479,983,794.32 - Step 4: Simplify right side
493,543,511.28x = 353,221,447,459,324,032 - Step 5: Solve for x
x = 353,221,447,459,324,032/493,543,511.28 - Step 6: Final answer
x = 715,684,512.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.