Finding the Fourth Proportional to 486,315,871.01, 671,107,890.35 and 263,295,769.49
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Solution
The fourth proportional to 486,315,871.01, 671,107,890.35 and 263,295,769.49 is: 363,343,824.32
Step by Step Solution
- Step 1: Write the proportion equation
486,315,871.01 : 671,107,890.35 = 263,295,769.49 : x - Step 2: Convert to fraction form
486,315,871.01/671,107,890.35 = 263,295,769.49/x - Step 3: Cross multiply
486,315,871.01x = 671,107,890.35 × 263,295,769.49 - Step 4: Simplify right side
486,315,871.01x = 176,699,868,397,816,480 - Step 5: Solve for x
x = 176,699,868,397,816,480/486,315,871.01 - Step 6: Final answer
x = 363,343,824.32
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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.