Finding the Fourth Proportional to 318,126,419.60, 477,184,827.56 and 143,125,873.92
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Solution
The fourth proportional to 318,126,419.60, 477,184,827.56 and 143,125,873.92 is: 214,686,650.52
Step by Step Solution
- Step 1: Write the proportion equation
318,126,419.60 : 477,184,827.56 = 143,125,873.92 : x - Step 2: Convert to fraction form
318,126,419.60/477,184,827.56 = 143,125,873.92/x - Step 3: Cross multiply
318,126,419.60x = 477,184,827.56 × 143,125,873.92 - Step 4: Simplify right side
318,126,419.60x = 68,297,495,465,889,496 - Step 5: Solve for x
x = 68,297,495,465,889,496/318,126,419.60 - Step 6: Final answer
x = 214,686,650.52
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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.