Finding the Fourth Proportional to 352,512,043.20, 528,768,064.80 and 339,075,115.20
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Solution
The fourth proportional to 352,512,043.20, 528,768,064.80 and 339,075,115.20 is: 508,612,672.80
Step by Step Solution
- Step 1: Write the proportion equation
352,512,043.20 : 528,768,064.80 = 339,075,115.20 : x - Step 2: Convert to fraction form
352,512,043.20/528,768,064.80 = 339,075,115.20/x - Step 3: Cross multiply
352,512,043.20x = 528,768,064.80 × 339,075,115.20 - Step 4: Simplify right side
352,512,043.20x = 179,292,092,486,141,056 - Step 5: Solve for x
x = 179,292,092,486,141,056/352,512,043.20 - Step 6: Final answer
x = 508,612,672.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.