Finding the Fourth Proportional to 1,347,836,201.53, 2,021,971,549.99 and 415,158,615.68
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Solution
The fourth proportional to 1,347,836,201.53, 2,021,971,549.99 and 415,158,615.68 is: 622,804,839.85
Step by Step Solution
- Step 1: Write the proportion equation
1,347,836,201.53 : 2,021,971,549.99 = 415,158,615.68 : x - Step 2: Convert to fraction form
1,347,836,201.53/2,021,971,549.99 = 415,158,615.68/x - Step 3: Cross multiply
1,347,836,201.53x = 2,021,971,549.99 × 415,158,615.68 - Step 4: Simplify right side
1,347,836,201.53x = 839,438,909,638,192,384 - Step 5: Solve for x
x = 839,438,909,638,192,384/1,347,836,201.53 - Step 6: Final answer
x = 622,804,839.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.