Finding the Fourth Proportional to 6,257,997,860.40, 9,388,256,502.60 and 1,836,408,740.40
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Solution
The fourth proportional to 6,257,997,860.40, 9,388,256,502.60 and 1,836,408,740.40 is: 2,754,982,772.94
Step by Step Solution
- Step 1: Write the proportion equation
6,257,997,860.40 : 9,388,256,502.60 = 1,836,408,740.40 : x - Step 2: Convert to fraction form
6,257,997,860.40/9,388,256,502.60 = 1,836,408,740.40/x - Step 3: Cross multiply
6,257,997,860.40x = 9,388,256,502.60 × 1,836,408,740.40 - Step 4: Simplify right side
6,257,997,860.40x = 17,240,676,298,491,777,024 - Step 5: Solve for x
x = 17,240,676,298,491,777,024/6,257,997,860.40 - Step 6: Final answer
x = 2,754,982,772.94
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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.