Finding the Fourth Proportional to 2,823,442,001.40, 4,235,009,736.68 and 858,141,852.36
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Solution
The fourth proportional to 2,823,442,001.40, 4,235,009,736.68 and 858,141,852.36 is: 1,287,166,195.87
Step by Step Solution
- Step 1: Write the proportion equation
2,823,442,001.40 : 4,235,009,736.68 = 858,141,852.36 : x - Step 2: Convert to fraction form
2,823,442,001.40/4,235,009,736.68 = 858,141,852.36/x - Step 3: Cross multiply
2,823,442,001.40x = 4,235,009,736.68 × 858,141,852.36 - Step 4: Simplify right side
2,823,442,001.40x = 3,634,239,100,197,211,136 - Step 5: Solve for x
x = 3,634,239,100,197,211,136/2,823,442,001.40 - Step 6: Final answer
x = 1,287,166,195.87
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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.