Finding the Fourth Proportional to 499,574,194.11, 689,420,553.26 and 273,509,408.43
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Solution
The fourth proportional to 499,574,194.11, 689,420,553.26 and 273,509,408.43 is: 377,447,454.06
Step by Step Solution
- Step 1: Write the proportion equation
499,574,194.11 : 689,420,553.26 = 273,509,408.43 : x - Step 2: Convert to fraction form
499,574,194.11/689,420,553.26 = 273,509,408.43/x - Step 3: Cross multiply
499,574,194.11x = 689,420,553.26 × 273,509,408.43 - Step 4: Simplify right side
499,574,194.11x = 188,563,007,680,258,368 - Step 5: Solve for x
x = 188,563,007,680,258,368/499,574,194.11 - Step 6: Final answer
x = 377,447,454.06
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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.