Finding the Fourth Proportional to 490,516,828.96, 735,777,900.24 and 145,473,445.48
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Solution
The fourth proportional to 490,516,828.96, 735,777,900.24 and 145,473,445.48 is: 218,210,956.15
Step by Step Solution
- Step 1: Write the proportion equation
490,516,828.96 : 735,777,900.24 = 145,473,445.48 : x - Step 2: Convert to fraction form
490,516,828.96/735,777,900.24 = 145,473,445.48/x - Step 3: Cross multiply
490,516,828.96x = 735,777,900.24 × 145,473,445.48 - Step 4: Simplify right side
490,516,828.96x = 107,036,146,255,952,512 - Step 5: Solve for x
x = 107,036,146,255,952,512/490,516,828.96 - Step 6: Final answer
x = 218,210,956.15
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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.