Finding the Fourth Proportional to 402,835,650.36, 555,881,399.10 and 226,588,557.12
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Solution
The fourth proportional to 402,835,650.36, 555,881,399.10 and 226,588,557.12 is: 312,674,322.74
Step by Step Solution
- Step 1: Write the proportion equation
402,835,650.36 : 555,881,399.10 = 226,588,557.12 : x - Step 2: Convert to fraction form
402,835,650.36/555,881,399.10 = 226,588,557.12/x - Step 3: Cross multiply
402,835,650.36x = 555,881,399.10 × 226,588,557.12 - Step 4: Simplify right side
402,835,650.36x = 125,956,364,151,915,872 - Step 5: Solve for x
x = 125,956,364,151,915,872/402,835,650.36 - Step 6: Final answer
x = 312,674,322.74
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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.