Finding the Fourth Proportional to 693,418,250.18, 1,040,484,977.18 and 324,990,632.14
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Solution
The fourth proportional to 693,418,250.18, 1,040,484,977.18 and 324,990,632.14 is: 487,653,548.75
Step by Step Solution
- Step 1: Write the proportion equation
693,418,250.18 : 1,040,484,977.18 = 324,990,632.14 : x - Step 2: Convert to fraction form
693,418,250.18/1,040,484,977.18 = 324,990,632.14/x - Step 3: Cross multiply
693,418,250.18x = 1,040,484,977.18 × 324,990,632.14 - Step 4: Simplify right side
693,418,250.18x = 338,147,870,465,901,632 - Step 5: Solve for x
x = 338,147,870,465,901,632/693,418,250.18 - Step 6: Final answer
x = 487,653,548.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.