Finding the Fourth Proportional to 516,096,537.80, 774,144,806.70 and 388,694,553.80
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Solution
The fourth proportional to 516,096,537.80, 774,144,806.70 and 388,694,553.80 is: 583,041,830.70
Step by Step Solution
- Step 1: Write the proportion equation
516,096,537.80 : 774,144,806.70 = 388,694,553.80 : x - Step 2: Convert to fraction form
516,096,537.80/774,144,806.70 = 388,694,553.80/x - Step 3: Cross multiply
516,096,537.80x = 774,144,806.70 × 388,694,553.80 - Step 4: Simplify right side
516,096,537.80x = 300,905,870,216,843,776 - Step 5: Solve for x
x = 300,905,870,216,843,776/516,096,537.80 - Step 6: Final answer
x = 583,041,830.70
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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.