Finding the Fourth Proportional to 1,366,029,969.84, 1,885,120,960.68 and 739,497,933.36
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Solution
The fourth proportional to 1,366,029,969.84, 1,885,120,960.68 and 739,497,933.36 is: 1,020,506,932.74
Step by Step Solution
- Step 1: Write the proportion equation
1,366,029,969.84 : 1,885,120,960.68 = 739,497,933.36 : x - Step 2: Convert to fraction form
1,366,029,969.84/1,885,120,960.68 = 739,497,933.36/x - Step 3: Cross multiply
1,366,029,969.84x = 1,885,120,960.68 × 739,497,933.36 - Step 4: Simplify right side
1,366,029,969.84x = 1,394,043,054,556,477,952 - Step 5: Solve for x
x = 1,394,043,054,556,477,952/1,366,029,969.84 - Step 6: Final answer
x = 1,020,506,932.74
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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.