Finding the Fourth Proportional to 1,223,995,761.96, 1,836,353,860.42 and 394,933,851.60
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Solution
The fourth proportional to 1,223,995,761.96, 1,836,353,860.42 and 394,933,851.60 is: 592,517,004.99
Step by Step Solution
- Step 1: Write the proportion equation
1,223,995,761.96 : 1,836,353,860.42 = 394,933,851.60 : x - Step 2: Convert to fraction form
1,223,995,761.96/1,836,353,860.42 = 394,933,851.60/x - Step 3: Cross multiply
1,223,995,761.96x = 1,836,353,860.42 × 394,933,851.60 - Step 4: Simplify right side
1,223,995,761.96x = 725,238,302,996,199,424 - Step 5: Solve for x
x = 725,238,302,996,199,424/1,223,995,761.96 - Step 6: Final answer
x = 592,517,004.99
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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.