Finding the Fourth Proportional to 499,574,309.25, 689,420,672.99 and 273,509,493.80
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Solution
The fourth proportional to 499,574,309.25, 689,420,672.99 and 273,509,493.80 is: 377,447,550.42
Step by Step Solution
- Step 1: Write the proportion equation
499,574,309.25 : 689,420,672.99 = 273,509,493.80 : x - Step 2: Convert to fraction form
499,574,309.25/689,420,672.99 = 273,509,493.80/x - Step 3: Cross multiply
499,574,309.25x = 689,420,672.99 × 273,509,493.80 - Step 4: Simplify right side
499,574,309.25x = 188,563,099,279,935,584 - Step 5: Solve for x
x = 188,563,099,279,935,584/499,574,309.25 - Step 6: Final answer
x = 377,447,550.42
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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.