Finding the Fourth Proportional to 590,980,508.40, 886,470,762.60 and 397,488,745.20
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Solution
The fourth proportional to 590,980,508.40, 886,470,762.60 and 397,488,745.20 is: 596,233,117.80
Step by Step Solution
- Step 1: Write the proportion equation
590,980,508.40 : 886,470,762.60 = 397,488,745.20 : x - Step 2: Convert to fraction form
590,980,508.40/886,470,762.60 = 397,488,745.20/x - Step 3: Cross multiply
590,980,508.40x = 886,470,762.60 × 397,488,745.20 - Step 4: Simplify right side
590,980,508.40x = 352,362,151,082,361,088 - Step 5: Solve for x
x = 352,362,151,082,361,088/590,980,508.40 - Step 6: Final answer
x = 596,233,117.80
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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.