Finding the Fourth Proportional to 265,716,673.80, 398,575,010.70 and 197,692,225.80
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Solution
The fourth proportional to 265,716,673.80, 398,575,010.70 and 197,692,225.80 is: 296,538,338.70
Step by Step Solution
- Step 1: Write the proportion equation
265,716,673.80 : 398,575,010.70 = 197,692,225.80 : x - Step 2: Convert to fraction form
265,716,673.80/398,575,010.70 = 197,692,225.80/x - Step 3: Cross multiply
265,716,673.80x = 398,575,010.70 × 197,692,225.80 - Step 4: Simplify right side
265,716,673.80x = 78,795,181,013,541,824 - Step 5: Solve for x
x = 78,795,181,013,541,824/265,716,673.80 - Step 6: Final answer
x = 296,538,338.70
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1.5x scale
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.