Finding the Fourth Proportional to 831,631,705.14, 1,248,673,841.42 and 463,885,161.96
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Solution
The fourth proportional to 831,631,705.14, 1,248,673,841.42 and 463,885,161.96 is: 696,511,765.46
Step by Step Solution
- Step 1: Write the proportion equation
831,631,705.14 : 1,248,673,841.42 = 463,885,161.96 : x - Step 2: Convert to fraction form
831,631,705.14/1,248,673,841.42 = 463,885,161.96/x - Step 3: Cross multiply
831,631,705.14x = 1,248,673,841.42 × 463,885,161.96 - Step 4: Simplify right side
831,631,705.14x = 579,241,267,162,332,032 - Step 5: Solve for x
x = 579,241,267,162,332,032/831,631,705.14 - Step 6: Final answer
x = 696,511,765.46
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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.