Finding the Fourth Proportional to 651,726,108.90, 977,589,163.35 and 191,710,779.30
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Solution
The fourth proportional to 651,726,108.90, 977,589,163.35 and 191,710,779.30 is: 287,566,168.95
Step by Step Solution
- Step 1: Write the proportion equation
651,726,108.90 : 977,589,163.35 = 191,710,779.30 : x - Step 2: Convert to fraction form
651,726,108.90/977,589,163.35 = 191,710,779.30/x - Step 3: Cross multiply
651,726,108.90x = 977,589,163.35 × 191,710,779.30 - Step 4: Simplify right side
651,726,108.90x = 187,414,380,341,063,520 - Step 5: Solve for x
x = 187,414,380,341,063,520/651,726,108.90 - Step 6: Final answer
x = 287,566,168.95
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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.