Finding the Fourth Proportional to 2,351,453,948.19, 3,529,359,830.39 and 1,187,738,104.32
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Solution
The fourth proportional to 2,351,453,948.19, 3,529,359,830.39 and 1,187,738,104.32 is: 1,782,707,740.30
Step by Step Solution
- Step 1: Write the proportion equation
2,351,453,948.19 : 3,529,359,830.39 = 1,187,738,104.32 : x - Step 2: Convert to fraction form
2,351,453,948.19/3,529,359,830.39 = 1,187,738,104.32/x - Step 3: Cross multiply
2,351,453,948.19x = 3,529,359,830.39 × 1,187,738,104.32 - Step 4: Simplify right side
2,351,453,948.19x = 4,191,955,154,404,636,672 - Step 5: Solve for x
x = 4,191,955,154,404,636,672/2,351,453,948.19 - Step 6: Final answer
x = 1,782,707,740.30
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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.