Finding the Fourth Proportional to 498,528,472.10, 747,792,708.15 and 413,593,816.10
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Solution
The fourth proportional to 498,528,472.10, 747,792,708.15 and 413,593,816.10 is: 620,390,724.15
Step by Step Solution
- Step 1: Write the proportion equation
498,528,472.10 : 747,792,708.15 = 413,593,816.10 : x - Step 2: Convert to fraction form
498,528,472.10/747,792,708.15 = 413,593,816.10/x - Step 3: Cross multiply
498,528,472.10x = 747,792,708.15 × 413,593,816.10 - Step 4: Simplify right side
498,528,472.10x = 309,282,439,815,512,064 - Step 5: Solve for x
x = 309,282,439,815,512,064/498,528,472.10 - Step 6: Final answer
x = 620,390,724.15
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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.