Finding the Fourth Proportional to 295,488,083.70, 443,232,125.55 and 286,985,027.70
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Solution
The fourth proportional to 295,488,083.70, 443,232,125.55 and 286,985,027.70 is: 430,477,541.55
Step by Step Solution
- Step 1: Write the proportion equation
295,488,083.70 : 443,232,125.55 = 286,985,027.70 : x - Step 2: Convert to fraction form
295,488,083.70/443,232,125.55 = 286,985,027.70/x - Step 3: Cross multiply
295,488,083.70x = 443,232,125.55 × 286,985,027.70 - Step 4: Simplify right side
295,488,083.70x = 127,200,983,828,496,624 - Step 5: Solve for x
x = 127,200,983,828,496,624/295,488,083.70 - Step 6: Final answer
x = 430,477,541.55
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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.