Finding the Fourth Proportional to 419,877,936.40, 579,431,801.52 and 234,238,952.09
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Solution
The fourth proportional to 419,877,936.40, 579,431,801.52 and 234,238,952.09 is: 323,249,892.96
Step by Step Solution
- Step 1: Write the proportion equation
419,877,936.40 : 579,431,801.52 = 234,238,952.09 : x - Step 2: Convert to fraction form
419,877,936.40/579,431,801.52 = 234,238,952.09/x - Step 3: Cross multiply
419,877,936.40x = 579,431,801.52 × 234,238,952.09 - Step 4: Simplify right side
419,877,936.40x = 135,725,497,995,665,664 - Step 5: Solve for x
x = 135,725,497,995,665,664/419,877,936.40 - Step 6: Final answer
x = 323,249,892.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.