Finding the Fourth Proportional to 343,725,880.68, 474,351,796.26 and 187,103,203.56
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Solution
The fourth proportional to 343,725,880.68, 474,351,796.26 and 187,103,203.56 is: 258,207,908.35
Step by Step Solution
- Step 1: Write the proportion equation
343,725,880.68 : 474,351,796.26 = 187,103,203.56 : x - Step 2: Convert to fraction form
343,725,880.68/474,351,796.26 = 187,103,203.56/x - Step 3: Cross multiply
343,725,880.68x = 474,351,796.26 × 187,103,203.56 - Step 4: Simplify right side
343,725,880.68x = 88,752,740,694,686,432 - Step 5: Solve for x
x = 88,752,740,694,686,432/343,725,880.68 - Step 6: Final answer
x = 258,207,908.35
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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.