Finding the Fourth Proportional to 498,528,472.60, 747,792,708.90 and 413,593,816.60
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Solution
The fourth proportional to 498,528,472.60, 747,792,708.90 and 413,593,816.60 is: 620,390,724.90
Step by Step Solution
- Step 1: Write the proportion equation
498,528,472.60 : 747,792,708.90 = 413,593,816.60 : x - Step 2: Convert to fraction form
498,528,472.60/747,792,708.90 = 413,593,816.60/x - Step 3: Cross multiply
498,528,472.60x = 747,792,708.90 × 413,593,816.60 - Step 4: Simplify right side
498,528,472.60x = 309,282,440,499,603,776 - Step 5: Solve for x
x = 309,282,440,499,603,776/498,528,472.60 - Step 6: Final answer
x = 620,390,724.90
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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.