Finding the Fourth Proportional to 3,868,541,125.14, 5,802,808,142.78 and 1,212,616,307.46
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Solution
The fourth proportional to 3,868,541,125.14, 5,802,808,142.78 and 1,212,616,307.46 is: 1,818,923,350.01
Step by Step Solution
- Step 1: Write the proportion equation
3,868,541,125.14 : 5,802,808,142.78 = 1,212,616,307.46 : x - Step 2: Convert to fraction form
3,868,541,125.14/5,802,808,142.78 = 1,212,616,307.46/x - Step 3: Cross multiply
3,868,541,125.14x = 5,802,808,142.78 × 1,212,616,307.46 - Step 4: Simplify right side
3,868,541,125.14x = 7,036,579,782,996,704,256 - Step 5: Solve for x
x = 7,036,579,782,996,704,256/3,868,541,125.14 - Step 6: Final answer
x = 1,818,923,350.01
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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.