Finding the Fourth Proportional to 496,553,202.63, 685,138,580.07 and 287,696,627.19
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Solution
The fourth proportional to 496,553,202.63, 685,138,580.07 and 287,696,627.19 is: 396,960,602.81
Step by Step Solution
- Step 1: Write the proportion equation
496,553,202.63 : 685,138,580.07 = 287,696,627.19 : x - Step 2: Convert to fraction form
496,553,202.63/685,138,580.07 = 287,696,627.19/x - Step 3: Cross multiply
496,553,202.63x = 685,138,580.07 × 287,696,627.19 - Step 4: Simplify right side
496,553,202.63x = 197,112,058,643,884,768 - Step 5: Solve for x
x = 197,112,058,643,884,768/496,553,202.63 - Step 6: Final answer
x = 396,960,602.81
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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.