Finding the Fourth Proportional to 987,434,135.10, 1,481,151,202.65 and 987,434,135.10
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Solution
The fourth proportional to 987,434,135.10, 1,481,151,202.65 and 987,434,135.10 is: 1,481,151,202.65
Step by Step Solution
- Step 1: Write the proportion equation
987,434,135.10 : 1,481,151,202.65 = 987,434,135.10 : x - Step 2: Convert to fraction form
987,434,135.10/1,481,151,202.65 = 987,434,135.10/x - Step 3: Cross multiply
987,434,135.10x = 1,481,151,202.65 × 987,434,135.10 - Step 4: Simplify right side
987,434,135.10x = 1,462,539,256,741,027,584 - Step 5: Solve for x
x = 1,462,539,256,741,027,584/987,434,135.10 - Step 6: Final answer
x = 1,481,151,202.65
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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.