Finding the Fourth Proportional to 358,505,309.60, 537,757,964.40 and 355,104,087.20
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Solution
The fourth proportional to 358,505,309.60, 537,757,964.40 and 355,104,087.20 is: 532,656,130.80
Step by Step Solution
- Step 1: Write the proportion equation
358,505,309.60 : 537,757,964.40 = 355,104,087.20 : x - Step 2: Convert to fraction form
358,505,309.60/537,757,964.40 = 355,104,087.20/x - Step 3: Cross multiply
358,505,309.60x = 537,757,964.40 × 355,104,087.20 - Step 4: Simplify right side
358,505,309.60x = 190,960,051,082,792,096 - Step 5: Solve for x
x = 190,960,051,082,792,096/358,505,309.60 - Step 6: Final answer
x = 532,656,130.80
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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.