Finding the Fourth Proportional to 977,662,902.93, 1,349,200,376.31 and 531,652,351.62
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Solution
The fourth proportional to 977,662,902.93, 1,349,200,376.31 and 531,652,351.62 is: 733,694,150.33
Step by Step Solution
- Step 1: Write the proportion equation
977,662,902.93 : 1,349,200,376.31 = 531,652,351.62 : x - Step 2: Convert to fraction form
977,662,902.93/1,349,200,376.31 = 531,652,351.62/x - Step 3: Cross multiply
977,662,902.93x = 1,349,200,376.31 × 531,652,351.62 - Step 4: Simplify right side
977,662,902.93x = 717,305,552,871,800,448 - Step 5: Solve for x
x = 717,305,552,871,800,448/977,662,902.93 - Step 6: Final answer
x = 733,694,150.33
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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.