Finding the Fourth Proportional to 455,635,145.57, 683,447,736.05 and 110,588,772.55
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Solution
The fourth proportional to 455,635,145.57, 683,447,736.05 and 110,588,772.55 is: 165,881,949.55
Step by Step Solution
- Step 1: Write the proportion equation
455,635,145.57 : 683,447,736.05 = 110,588,772.55 : x - Step 2: Convert to fraction form
455,635,145.57/683,447,736.05 = 110,588,772.55/x - Step 3: Cross multiply
455,635,145.57x = 683,447,736.05 × 110,588,772.55 - Step 4: Simplify right side
455,635,145.57x = 75,581,646,231,845,872 - Step 5: Solve for x
x = 75,581,646,231,845,872/455,635,145.57 - Step 6: Final answer
x = 165,881,949.55
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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.