Finding the Fourth Proportional to 832,859,880.20, 1,149,346,743.62 and 461,605,879.88
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Solution
The fourth proportional to 832,859,880.20, 1,149,346,743.62 and 461,605,879.88 is: 637,016,174.62
Step by Step Solution
- Step 1: Write the proportion equation
832,859,880.20 : 1,149,346,743.62 = 461,605,879.88 : x - Step 2: Convert to fraction form
832,859,880.20/1,149,346,743.62 = 461,605,879.88/x - Step 3: Cross multiply
832,859,880.20x = 1,149,346,743.62 × 461,605,879.88 - Step 4: Simplify right side
832,859,880.20x = 530,545,214,875,922,816 - Step 5: Solve for x
x = 530,545,214,875,922,816/832,859,880.20 - Step 6: Final answer
x = 637,016,174.62
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1.5x scale
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.