Finding the Fourth Proportional to 1,180,135,903.23, 1,628,544,852.10 and 651,488,538.07
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Solution
The fourth proportional to 1,180,135,903.23, 1,628,544,852.10 and 651,488,538.07 is: 899,030,613.32
Step by Step Solution
- Step 1: Write the proportion equation
1,180,135,903.23 : 1,628,544,852.10 = 651,488,538.07 : x - Step 2: Convert to fraction form
1,180,135,903.23/1,628,544,852.10 = 651,488,538.07/x - Step 3: Cross multiply
1,180,135,903.23x = 1,628,544,852.10 × 651,488,538.07 - Step 4: Simplify right side
1,180,135,903.23x = 1,060,978,304,876,053,376 - Step 5: Solve for x
x = 1,060,978,304,876,053,376/1,180,135,903.23 - Step 6: Final answer
x = 899,030,613.32
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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.