Finding the Fourth Proportional to 634,047,328.80, 874,991,651.67 and 355,582,873.62
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Solution
The fourth proportional to 634,047,328.80, 874,991,651.67 and 355,582,873.62 is: 490,707,920.00
Step by Step Solution
- Step 1: Write the proportion equation
634,047,328.80 : 874,991,651.67 = 355,582,873.62 : x - Step 2: Convert to fraction form
634,047,328.80/874,991,651.67 = 355,582,873.62/x - Step 3: Cross multiply
634,047,328.80x = 874,991,651.67 × 355,582,873.62 - Step 4: Simplify right side
634,047,328.80x = 311,132,045,894,328,640 - Step 5: Solve for x
x = 311,132,045,894,328,640/634,047,328.80 - Step 6: Final answer
x = 490,707,920.00
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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.