Finding the Fourth Proportional to 343,852,593.10, 515,778,889.65 and 171,665,709.10
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Solution
The fourth proportional to 343,852,593.10, 515,778,889.65 and 171,665,709.10 is: 257,498,563.65
Step by Step Solution
- Step 1: Write the proportion equation
343,852,593.10 : 515,778,889.65 = 171,665,709.10 : x - Step 2: Convert to fraction form
343,852,593.10/515,778,889.65 = 171,665,709.10/x - Step 3: Cross multiply
343,852,593.10x = 515,778,889.65 × 171,665,709.10 - Step 4: Simplify right side
343,852,593.10x = 88,541,548,830,577,888 - Step 5: Solve for x
x = 88,541,548,830,577,888/343,852,593.10 - Step 6: Final answer
x = 257,498,563.65
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Similar ratio
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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.