Finding the Fourth Proportional to 1,167,137,743.11, 1,747,901,352.48 and 667,633,859.49
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Solution
The fourth proportional to 1,167,137,743.11, 1,747,901,352.48 and 667,633,859.49 is: 999,846,104.59
Step by Step Solution
- Step 1: Write the proportion equation
1,167,137,743.11 : 1,747,901,352.48 = 667,633,859.49 : x - Step 2: Convert to fraction form
1,167,137,743.11/1,747,901,352.48 = 667,633,859.49/x - Step 3: Cross multiply
1,167,137,743.11x = 1,747,901,352.48 × 667,633,859.49 - Step 4: Simplify right side
1,167,137,743.11x = 1,166,958,125,964,013,312 - Step 5: Solve for x
x = 1,166,958,125,964,013,312/1,167,137,743.11 - Step 6: Final answer
x = 999,846,104.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.