Finding the Fourth Proportional to 1,581,857,147.19, 2,371,124,744.75 and 532,230,974.25
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Solution
The fourth proportional to 1,581,857,147.19, 2,371,124,744.75 and 532,230,974.25 is: 797,787,610.09
Step by Step Solution
- Step 1: Write the proportion equation
1,581,857,147.19 : 2,371,124,744.75 = 532,230,974.25 : x - Step 2: Convert to fraction form
1,581,857,147.19/2,371,124,744.75 = 532,230,974.25/x - Step 3: Cross multiply
1,581,857,147.19x = 2,371,124,744.75 × 532,230,974.25 - Step 4: Simplify right side
1,581,857,147.19x = 1,261,986,032,963,913,984 - Step 5: Solve for x
x = 1,261,986,032,963,913,984/1,581,857,147.19 - Step 6: Final answer
x = 797,787,610.09
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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.