Finding the Fourth Proportional to 764,341,313.49, 1,054,769,645.61 and 463,104,975.96
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Solution
The fourth proportional to 764,341,313.49, 1,054,769,645.61 and 463,104,975.96 is: 639,071,920.82
Step by Step Solution
- Step 1: Write the proportion equation
764,341,313.49 : 1,054,769,645.61 = 463,104,975.96 : x - Step 2: Convert to fraction form
764,341,313.49/1,054,769,645.61 = 463,104,975.96/x - Step 3: Cross multiply
764,341,313.49x = 1,054,769,645.61 × 463,104,975.96 - Step 4: Simplify right side
764,341,313.49x = 488,469,071,373,556,736 - Step 5: Solve for x
x = 488,469,071,373,556,736/764,341,313.49 - Step 6: Final answer
x = 639,071,920.82
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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.