Finding the Fourth Proportional to 465,525,249.84, 698,262,563.88 and 142,409,121.84
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Solution
The fourth proportional to 465,525,249.84, 698,262,563.88 and 142,409,121.84 is: 213,605,939.89
Step by Step Solution
- Step 1: Write the proportion equation
465,525,249.84 : 698,262,563.88 = 142,409,121.84 : x - Step 2: Convert to fraction form
465,525,249.84/698,262,563.88 = 142,409,121.84/x - Step 3: Cross multiply
465,525,249.84x = 698,262,563.88 × 142,409,121.84 - Step 4: Simplify right side
465,525,249.84x = 99,438,958,535,897,712 - Step 5: Solve for x
x = 99,438,958,535,897,712/465,525,249.84 - Step 6: Final answer
x = 213,605,939.89
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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.