Finding the Fourth Proportional to 1,109,866,764.44, 1,531,421,449.70 and 633,339,562.97
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Solution
The fourth proportional to 1,109,866,764.44, 1,531,421,449.70 and 633,339,562.97 is: 873,897,500.80
Step by Step Solution
- Step 1: Write the proportion equation
1,109,866,764.44 : 1,531,421,449.70 = 633,339,562.97 : x - Step 2: Convert to fraction form
1,109,866,764.44/1,531,421,449.70 = 633,339,562.97/x - Step 3: Cross multiply
1,109,866,764.44x = 1,531,421,449.70 × 633,339,562.97 - Step 4: Simplify right side
1,109,866,764.44x = 969,909,791,665,058,048 - Step 5: Solve for x
x = 969,909,791,665,058,048/1,109,866,764.44 - Step 6: Final answer
x = 873,897,500.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.