Finding the Fourth Proportional to 880,232,591.80, 1,320,348,887.70 and 574,122,575.80
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Solution
The fourth proportional to 880,232,591.80, 1,320,348,887.70 and 574,122,575.80 is: 861,183,863.70
Step by Step Solution
- Step 1: Write the proportion equation
880,232,591.80 : 1,320,348,887.70 = 574,122,575.80 : x - Step 2: Convert to fraction form
880,232,591.80/1,320,348,887.70 = 574,122,575.80/x - Step 3: Cross multiply
880,232,591.80x = 1,320,348,887.70 × 574,122,575.80 - Step 4: Simplify right side
880,232,591.80x = 758,042,104,360,988,928 - Step 5: Solve for x
x = 758,042,104,360,988,928/880,232,591.80 - Step 6: Final answer
x = 861,183,863.70
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Double scale
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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.