Finding the Fourth Proportional to 841,232,026.21, 1,260,720,115.75 and 654,711,202.99
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Solution
The fourth proportional to 841,232,026.21, 1,260,720,115.75 and 654,711,202.99 is: 981,188,967.97
Step by Step Solution
- Step 1: Write the proportion equation
841,232,026.21 : 1,260,720,115.75 = 654,711,202.99 : x - Step 2: Convert to fraction form
841,232,026.21/1,260,720,115.75 = 654,711,202.99/x - Step 3: Cross multiply
841,232,026.21x = 1,260,720,115.75 × 654,711,202.99 - Step 4: Simplify right side
841,232,026.21x = 825,407,583,613,100,928 - Step 5: Solve for x
x = 825,407,583,613,100,928/841,232,026.21 - Step 6: Final answer
x = 981,188,967.97
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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.