Finding the Fourth Proportional to 804,009,021.21, 1,205,497,369.53 and 312,198,240.96
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Solution
The fourth proportional to 804,009,021.21, 1,205,497,369.53 and 312,198,240.96 is: 468,096,934.64
Step by Step Solution
- Step 1: Write the proportion equation
804,009,021.21 : 1,205,497,369.53 = 312,198,240.96 : x - Step 2: Convert to fraction form
804,009,021.21/1,205,497,369.53 = 312,198,240.96/x - Step 3: Cross multiply
804,009,021.21x = 1,205,497,369.53 × 312,198,240.96 - Step 4: Simplify right side
804,009,021.21x = 376,354,158,249,173,056 - Step 5: Solve for x
x = 376,354,158,249,173,056/804,009,021.21 - Step 6: Final answer
x = 468,096,934.64
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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.