Finding the Fourth Proportional to 3,042,438,081.88, 4,565,352,757.40 and 1,643,394,158.68
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Solution
The fourth proportional to 3,042,438,081.88, 4,565,352,757.40 and 1,643,394,158.68 is: 2,466,007,146.87
Step by Step Solution
- Step 1: Write the proportion equation
3,042,438,081.88 : 4,565,352,757.40 = 1,643,394,158.68 : x - Step 2: Convert to fraction form
3,042,438,081.88/4,565,352,757.40 = 1,643,394,158.68/x - Step 3: Cross multiply
3,042,438,081.88x = 4,565,352,757.40 × 1,643,394,158.68 - Step 4: Simplify right side
3,042,438,081.88x = 7,502,674,053,824,790,528 - Step 5: Solve for x
x = 7,502,674,053,824,790,528/3,042,438,081.88 - Step 6: Final answer
x = 2,466,007,146.87
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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.