Finding the Fourth Proportional to 1,816,671,346.74, 2,507,007,466.26 and 981,295,921.98
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Solution
The fourth proportional to 1,816,671,346.74, 2,507,007,466.26 and 981,295,921.98 is: 1,354,188,916.68
Step by Step Solution
- Step 1: Write the proportion equation
1,816,671,346.74 : 2,507,007,466.26 = 981,295,921.98 : x - Step 2: Convert to fraction form
1,816,671,346.74/2,507,007,466.26 = 981,295,921.98/x - Step 3: Cross multiply
1,816,671,346.74x = 2,507,007,466.26 × 981,295,921.98 - Step 4: Simplify right side
1,816,671,346.74x = 2,460,116,203,014,350,848 - Step 5: Solve for x
x = 2,460,116,203,014,350,848/1,816,671,346.74 - Step 6: Final answer
x = 1,354,188,916.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.