Finding the Fourth Proportional to 1,223,995,655.66, 1,836,353,700.84 and 394,933,745.33
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Solution
The fourth proportional to 1,223,995,655.66, 1,836,353,700.84 and 394,933,745.33 is: 592,516,845.53
Step by Step Solution
- Step 1: Write the proportion equation
1,223,995,655.66 : 1,836,353,700.84 = 394,933,745.33 : x - Step 2: Convert to fraction form
1,223,995,655.66/1,836,353,700.84 = 394,933,745.33/x - Step 3: Cross multiply
1,223,995,655.66x = 1,836,353,700.84 × 394,933,745.33 - Step 4: Simplify right side
1,223,995,655.66x = 725,238,044,832,891,520 - Step 5: Solve for x
x = 725,238,044,832,891,520/1,223,995,655.66 - Step 6: Final answer
x = 592,516,845.53
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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.