Finding the Fourth Proportional to 804,588,775.65, 1,206,883,163.48 and 396,442,087.65
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Solution
The fourth proportional to 804,588,775.65, 1,206,883,163.48 and 396,442,087.65 is: 594,663,131.48
Step by Step Solution
- Step 1: Write the proportion equation
804,588,775.65 : 1,206,883,163.48 = 396,442,087.65 : x - Step 2: Convert to fraction form
804,588,775.65/1,206,883,163.48 = 396,442,087.65/x - Step 3: Cross multiply
804,588,775.65x = 1,206,883,163.48 × 396,442,087.65 - Step 4: Simplify right side
804,588,775.65x = 478,459,280,877,665,152 - Step 5: Solve for x
x = 478,459,280,877,665,152/804,588,775.65 - Step 6: Final answer
x = 594,663,131.48
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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.