Finding the Fourth Proportional to 657,072,029.80, 985,608,044.70 and 334,585,757.80
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Solution
The fourth proportional to 657,072,029.80, 985,608,044.70 and 334,585,757.80 is: 501,878,636.70
Step by Step Solution
- Step 1: Write the proportion equation
657,072,029.80 : 985,608,044.70 = 334,585,757.80 : x - Step 2: Convert to fraction form
657,072,029.80/985,608,044.70 = 334,585,757.80/x - Step 3: Cross multiply
657,072,029.80x = 985,608,044.70 × 334,585,757.80 - Step 4: Simplify right side
657,072,029.80x = 329,770,414,529,725,824 - Step 5: Solve for x
x = 329,770,414,529,725,824/657,072,029.80 - Step 6: Final answer
x = 501,878,636.70
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1.5x scale
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.