Finding the Fourth Proportional to 1,375,809,519.12, 2,062,229,779.94 and 675,487,198.14
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Solution
The fourth proportional to 1,375,809,519.12, 2,062,229,779.94 and 675,487,198.14 is: 1,012,501,946.39
Step by Step Solution
- Step 1: Write the proportion equation
1,375,809,519.12 : 2,062,229,779.94 = 675,487,198.14 : x - Step 2: Convert to fraction form
1,375,809,519.12/2,062,229,779.94 = 675,487,198.14/x - Step 3: Cross multiply
1,375,809,519.12x = 2,062,229,779.94 × 675,487,198.14 - Step 4: Simplify right side
1,375,809,519.12x = 1,393,009,815,969,161,984 - Step 5: Solve for x
x = 1,393,009,815,969,161,984/1,375,809,519.12 - Step 6: Final answer
x = 1,012,501,946.39
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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.