Finding the Fourth Proportional to 786,024,107.70, 1,179,036,161.55 and 604,625,579.70
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Solution
The fourth proportional to 786,024,107.70, 1,179,036,161.55 and 604,625,579.70 is: 906,938,369.55
Step by Step Solution
- Step 1: Write the proportion equation
786,024,107.70 : 1,179,036,161.55 = 604,625,579.70 : x - Step 2: Convert to fraction form
786,024,107.70/1,179,036,161.55 = 604,625,579.70/x - Step 3: Cross multiply
786,024,107.70x = 1,179,036,161.55 × 604,625,579.70 - Step 4: Simplify right side
786,024,107.70x = 712,875,422,664,431,616 - Step 5: Solve for x
x = 712,875,422,664,431,616/786,024,107.70 - Step 6: Final answer
x = 906,938,369.55
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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.