Finding the Fourth Proportional to 566,403,186.54, 781,649,764.11 and 315,524,459.10
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Solution
The fourth proportional to 566,403,186.54, 781,649,764.11 and 315,524,459.10 is: 435,431,199.70
Step by Step Solution
- Step 1: Write the proportion equation
566,403,186.54 : 781,649,764.11 = 315,524,459.10 : x - Step 2: Convert to fraction form
566,403,186.54/781,649,764.11 = 315,524,459.10/x - Step 3: Cross multiply
566,403,186.54x = 781,649,764.11 × 315,524,459.10 - Step 4: Simplify right side
566,403,186.54x = 246,629,619,026,450,368 - Step 5: Solve for x
x = 246,629,619,026,450,368/566,403,186.54 - Step 6: Final answer
x = 435,431,199.70
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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.