Finding the Fourth Proportional to 1,406,682,326.56, 2,110,344,891.36 and 486,557,888.80
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Solution
The fourth proportional to 1,406,682,326.56, 2,110,344,891.36 and 486,557,888.80 is: 729,948,002.89
Step by Step Solution
- Step 1: Write the proportion equation
1,406,682,326.56 : 2,110,344,891.36 = 486,557,888.80 : x - Step 2: Convert to fraction form
1,406,682,326.56/2,110,344,891.36 = 486,557,888.80/x - Step 3: Cross multiply
1,406,682,326.56x = 2,110,344,891.36 × 486,557,888.80 - Step 4: Simplify right side
1,406,682,326.56x = 1,026,804,954,979,986,944 - Step 5: Solve for x
x = 1,026,804,954,979,986,944/1,406,682,326.56 - Step 6: Final answer
x = 729,948,002.89
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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.