Finding the Fourth Proportional to 1,445,273,159.00, 1,994,476,959.23 and 818,741,586.95
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Solution
The fourth proportional to 1,445,273,159.00, 1,994,476,959.23 and 818,741,586.95 is: 1,129,863,389.87
Step by Step Solution
- Step 1: Write the proportion equation
1,445,273,159.00 : 1,994,476,959.23 = 818,741,586.95 : x - Step 2: Convert to fraction form
1,445,273,159.00/1,994,476,959.23 = 818,741,586.95/x - Step 3: Cross multiply
1,445,273,159.00x = 1,994,476,959.23 × 818,741,586.95 - Step 4: Simplify right side
1,445,273,159.00x = 1,632,961,230,721,114,624 - Step 5: Solve for x
x = 1,632,961,230,721,114,624/1,445,273,159.00 - Step 6: Final answer
x = 1,129,863,389.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.