Finding the Fourth Proportional to 1,347,836,201.03, 2,021,971,549.25 and 415,158,615.18
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Solution
The fourth proportional to 1,347,836,201.03, 2,021,971,549.25 and 415,158,615.18 is: 622,804,839.10
Step by Step Solution
- Step 1: Write the proportion equation
1,347,836,201.03 : 2,021,971,549.25 = 415,158,615.18 : x - Step 2: Convert to fraction form
1,347,836,201.03/2,021,971,549.25 = 415,158,615.18/x - Step 3: Cross multiply
1,347,836,201.03x = 2,021,971,549.25 × 415,158,615.18 - Step 4: Simplify right side
1,347,836,201.03x = 839,438,908,317,913,344 - Step 5: Solve for x
x = 839,438,908,317,913,344/1,347,836,201.03 - Step 6: Final answer
x = 622,804,839.10
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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.