Finding the Fourth Proportional to 631,230,704.66, 871,125,274.76 and 352,772,219.99
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Solution
The fourth proportional to 631,230,704.66, 871,125,274.76 and 352,772,219.99 is: 486,840,698.33
Step by Step Solution
- Step 1: Write the proportion equation
631,230,704.66 : 871,125,274.76 = 352,772,219.99 : x - Step 2: Convert to fraction form
631,230,704.66/871,125,274.76 = 352,772,219.99/x - Step 3: Cross multiply
631,230,704.66x = 871,125,274.76 × 352,772,219.99 - Step 4: Simplify right side
631,230,704.66x = 307,308,797,066,897,856 - Step 5: Solve for x
x = 307,308,797,066,897,856/631,230,704.66 - Step 6: Final answer
x = 486,840,698.33
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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.