Finding the Fourth Proportional to 331,330,577.40, 496,995,866.10 and 239,497,572.60
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Solution
The fourth proportional to 331,330,577.40, 496,995,866.10 and 239,497,572.60 is: 359,246,358.90
Step by Step Solution
- Step 1: Write the proportion equation
331,330,577.40 : 496,995,866.10 = 239,497,572.60 : x - Step 2: Convert to fraction form
331,330,577.40/496,995,866.10 = 239,497,572.60/x - Step 3: Cross multiply
331,330,577.40x = 496,995,866.10 × 239,497,572.60 - Step 4: Simplify right side
331,330,577.40x = 119,029,303,523,184,624 - Step 5: Solve for x
x = 119,029,303,523,184,624/331,330,577.40 - Step 6: Final answer
x = 359,246,358.90
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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.