Finding the Fourth Proportional to 343,598,920.97, 474,162,525.14 and 186,963,329.24
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Solution
The fourth proportional to 343,598,920.97, 474,162,525.14 and 186,963,329.24 is: 258,007,225.54
Step by Step Solution
- Step 1: Write the proportion equation
343,598,920.97 : 474,162,525.14 = 186,963,329.24 : x - Step 2: Convert to fraction form
343,598,920.97/474,162,525.14 = 186,963,329.24/x - Step 3: Cross multiply
343,598,920.97x = 474,162,525.14 × 186,963,329.24 - Step 4: Simplify right side
343,598,920.97x = 88,651,004,297,713,968 - Step 5: Solve for x
x = 88,651,004,297,713,968/343,598,920.97 - Step 6: Final answer
x = 258,007,225.54
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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.