Finding the Fourth Proportional to 316,519,625.70, 474,779,438.55 and 195,587,273.70
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Solution
The fourth proportional to 316,519,625.70, 474,779,438.55 and 195,587,273.70 is: 293,380,910.55
Step by Step Solution
- Step 1: Write the proportion equation
316,519,625.70 : 474,779,438.55 = 195,587,273.70 : x - Step 2: Convert to fraction form
316,519,625.70/474,779,438.55 = 195,587,273.70/x - Step 3: Cross multiply
316,519,625.70x = 474,779,438.55 × 195,587,273.70 - Step 4: Simplify right side
316,519,625.70x = 92,860,815,994,811,184 - Step 5: Solve for x
x = 92,860,815,994,811,184/316,519,625.70 - Step 6: Final answer
x = 293,380,910.55
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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.