Finding the Fourth Proportional to 590,490,574.80, 885,735,862.20 and 202,184,350.80
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Solution
The fourth proportional to 590,490,574.80, 885,735,862.20 and 202,184,350.80 is: 303,276,526.20
Step by Step Solution
- Step 1: Write the proportion equation
590,490,574.80 : 885,735,862.20 = 202,184,350.80 : x - Step 2: Convert to fraction form
590,490,574.80/885,735,862.20 = 202,184,350.80/x - Step 3: Cross multiply
590,490,574.80x = 885,735,862.20 × 202,184,350.80 - Step 4: Simplify right side
590,490,574.80x = 179,081,930,279,185,280 - Step 5: Solve for x
x = 179,081,930,279,185,280/590,490,574.80 - Step 6: Final answer
x = 303,276,526.20
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Double scale
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Similar ratio
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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.