Finding the Fourth Proportional to 331,776,200.70, 497,664,301.05 and 318,339,272.70
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Solution
The fourth proportional to 331,776,200.70, 497,664,301.05 and 318,339,272.70 is: 477,508,909.05
Step by Step Solution
- Step 1: Write the proportion equation
331,776,200.70 : 497,664,301.05 = 318,339,272.70 : x - Step 2: Convert to fraction form
331,776,200.70/497,664,301.05 = 318,339,272.70/x - Step 3: Cross multiply
331,776,200.70x = 497,664,301.05 × 318,339,272.70 - Step 4: Simplify right side
331,776,200.70x = 158,426,091,645,010,848 - Step 5: Solve for x
x = 158,426,091,645,010,848/331,776,200.70 - Step 6: Final answer
x = 477,508,909.05
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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.