Finding the Fourth Proportional to 941,726,035.03, 1,299,497,459.11 and 545,275,782.18
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Solution
The fourth proportional to 941,726,035.03, 1,299,497,459.11 and 545,275,782.18 is: 752,431,670.25
Step by Step Solution
- Step 1: Write the proportion equation
941,726,035.03 : 1,299,497,459.11 = 545,275,782.18 : x - Step 2: Convert to fraction form
941,726,035.03/1,299,497,459.11 = 545,275,782.18/x - Step 3: Cross multiply
941,726,035.03x = 1,299,497,459.11 × 545,275,782.18 - Step 4: Simplify right side
941,726,035.03x = 708,584,493,452,909,056 - Step 5: Solve for x
x = 708,584,493,452,909,056/941,726,035.03 - Step 6: Final answer
x = 752,431,670.25
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Double scale
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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.