Finding the Fourth Proportional to 1,348,252,875, 2,022,379,312.68 and 378,904,491
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Solution
The fourth proportional to 1,348,252,875, 2,022,379,312.68 and 378,904,491 is: 568,356,736.55
Step by Step Solution
- Step 1: Write the proportion equation
1,348,252,875 : 2,022,379,312.68 = 378,904,491 : x - Step 2: Convert to fraction form
1,348,252,875/2,022,379,312.68 = 378,904,491/x - Step 3: Cross multiply
1,348,252,875x = 2,022,379,312.68 × 378,904,491 - Step 4: Simplify right side
1,348,252,875x = 766,288,604,079,945,216 - Step 5: Solve for x
x = 766,288,604,079,945,216/1,348,252,875 - Step 6: Final answer
x = 568,356,736.55
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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.