Finding the Fourth Proportional to 766,464,637.05, 1,149,901,338.52 and 275,182,163.03
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Solution
The fourth proportional to 766,464,637.05, 1,149,901,338.52 and 275,182,163.03 is: 412,846,623.72
Step by Step Solution
- Step 1: Write the proportion equation
766,464,637.05 : 1,149,901,338.52 = 275,182,163.03 : x - Step 2: Convert to fraction form
766,464,637.05/1,149,901,338.52 = 275,182,163.03/x - Step 3: Cross multiply
766,464,637.05x = 1,149,901,338.52 × 275,182,163.03 - Step 4: Simplify right side
766,464,637.05x = 316,432,337,605,015,680 - Step 5: Solve for x
x = 316,432,337,605,015,680/766,464,637.05 - Step 6: Final answer
x = 412,846,623.72
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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.