Finding the Fourth Proportional to 871,325,888.46, 1,202,394,646.10 and 474,840,365.08
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Solution
The fourth proportional to 871,325,888.46, 1,202,394,646.10 and 474,840,365.08 is: 655,260,586.52
Step by Step Solution
- Step 1: Write the proportion equation
871,325,888.46 : 1,202,394,646.10 = 474,840,365.08 : x - Step 2: Convert to fraction form
871,325,888.46/1,202,394,646.10 = 474,840,365.08/x - Step 3: Cross multiply
871,325,888.46x = 1,202,394,646.10 × 474,840,365.08 - Step 4: Simplify right side
871,325,888.46x = 570,945,512,724,361,344 - Step 5: Solve for x
x = 570,945,512,724,361,344/871,325,888.46 - Step 6: Final answer
x = 655,260,586.52
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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.