Finding the Fourth Proportional to 1,455,192,715.98, 2,182,798,521.81 and 581,867,453.82
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Solution
The fourth proportional to 1,455,192,715.98, 2,182,798,521.81 and 581,867,453.82 is: 872,804,958.50
Step by Step Solution
- Step 1: Write the proportion equation
1,455,192,715.98 : 2,182,798,521.81 = 581,867,453.82 : x - Step 2: Convert to fraction form
1,455,192,715.98/2,182,798,521.81 = 581,867,453.82/x - Step 3: Cross multiply
1,455,192,715.98x = 2,182,798,521.81 × 581,867,453.82 - Step 4: Simplify right side
1,455,192,715.98x = 1,270,099,418,087,644,416 - Step 5: Solve for x
x = 1,270,099,418,087,644,416/1,455,192,715.98 - Step 6: Final answer
x = 872,804,958.50
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1.5x scale
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.