Finding the Fourth Proportional to 994,466,619.66, 1,491,289,501.99 and 339,470,458.71
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Solution
The fourth proportional to 994,466,619.66, 1,491,289,501.99 and 339,470,458.71 is: 509,065,584.81
Step by Step Solution
- Step 1: Write the proportion equation
994,466,619.66 : 1,491,289,501.99 = 339,470,458.71 : x - Step 2: Convert to fraction form
994,466,619.66/1,491,289,501.99 = 339,470,458.71/x - Step 3: Cross multiply
994,466,619.66x = 1,491,289,501.99 × 339,470,458.71 - Step 4: Simplify right side
994,466,619.66x = 506,248,731,309,952,704 - Step 5: Solve for x
x = 506,248,731,309,952,704/994,466,619.66 - Step 6: Final answer
x = 509,065,584.81
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1.5x scale
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.