Finding the Fourth Proportional to 1,361,148,473.70, 2,044,186,147.35 and 1,191,843,180.90
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Solution
The fourth proportional to 1,361,148,473.70, 2,044,186,147.35 and 1,191,843,180.90 is: 1,789,921,795.66
Step by Step Solution
- Step 1: Write the proportion equation
1,361,148,473.70 : 2,044,186,147.35 = 1,191,843,180.90 : x - Step 2: Convert to fraction form
1,361,148,473.70/2,044,186,147.35 = 1,191,843,180.90/x - Step 3: Cross multiply
1,361,148,473.70x = 2,044,186,147.35 × 1,191,843,180.90 - Step 4: Simplify right side
1,361,148,473.70x = 2,436,349,320,209,340,416 - Step 5: Solve for x
x = 2,436,349,320,209,340,416/1,361,148,473.70 - Step 6: Final answer
x = 1,789,921,795.66
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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.