Finding the Fourth Proportional to 1,345,192,316.10, 2,017,788,474.15 and 825,939,029.70
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Solution
The fourth proportional to 1,345,192,316.10, 2,017,788,474.15 and 825,939,029.70 is: 1,238,908,544.55
Step by Step Solution
- Step 1: Write the proportion equation
1,345,192,316.10 : 2,017,788,474.15 = 825,939,029.70 : x - Step 2: Convert to fraction form
1,345,192,316.10/2,017,788,474.15 = 825,939,029.70/x - Step 3: Cross multiply
1,345,192,316.10x = 2,017,788,474.15 × 825,939,029.70 - Step 4: Simplify right side
1,345,192,316.10x = 1,666,570,254,479,294,720 - Step 5: Solve for x
x = 1,666,570,254,479,294,720/1,345,192,316.10 - Step 6: Final answer
x = 1,238,908,544.55
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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.