Finding the Fourth Proportional to 982,546,236.99, 1,355,920,362.09 and 536,512,697.28
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Solution
The fourth proportional to 982,546,236.99, 1,355,920,362.09 and 536,512,697.28 is: 740,391,101.58
Step by Step Solution
- Step 1: Write the proportion equation
982,546,236.99 : 1,355,920,362.09 = 536,512,697.28 : x - Step 2: Convert to fraction form
982,546,236.99/1,355,920,362.09 = 536,512,697.28/x - Step 3: Cross multiply
982,546,236.99x = 1,355,920,362.09 × 536,512,697.28 - Step 4: Simplify right side
982,546,236.99x = 727,468,490,761,780,096 - Step 5: Solve for x
x = 727,468,490,761,780,096/982,546,236.99 - Step 6: Final answer
x = 740,391,101.58
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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.