Finding the Fourth Proportional to 408,848,268.30, 613,272,402.45 and 245,589,593.10
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Solution
The fourth proportional to 408,848,268.30, 613,272,402.45 and 245,589,593.10 is: 368,384,389.65
Step by Step Solution
- Step 1: Write the proportion equation
408,848,268.30 : 613,272,402.45 = 245,589,593.10 : x - Step 2: Convert to fraction form
408,848,268.30/613,272,402.45 = 245,589,593.10/x - Step 3: Cross multiply
408,848,268.30x = 613,272,402.45 × 245,589,593.10 - Step 4: Simplify right side
408,848,268.30x = 150,613,319,777,154,944 - Step 5: Solve for x
x = 150,613,319,777,154,944/408,848,268.30 - Step 6: Final answer
x = 368,384,389.65
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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.