Finding the Fourth Proportional to 328,849,553.07, 453,754,698.26 and 187,656,308.19
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Solution
The fourth proportional to 328,849,553.07, 453,754,698.26 and 187,656,308.19 is: 258,932,787.66
Step by Step Solution
- Step 1: Write the proportion equation
328,849,553.07 : 453,754,698.26 = 187,656,308.19 : x - Step 2: Convert to fraction form
328,849,553.07/453,754,698.26 = 187,656,308.19/x - Step 3: Cross multiply
328,849,553.07x = 453,754,698.26 × 187,656,308.19 - Step 4: Simplify right side
328,849,553.07x = 85,149,931,498,400,736 - Step 5: Solve for x
x = 85,149,931,498,400,736/328,849,553.07 - Step 6: Final answer
x = 258,932,787.66
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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.