Finding the Fourth Proportional to 743,337,962.74, 1,025,934,792.60 and 430,244,812
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Solution
The fourth proportional to 743,337,962.74, 1,025,934,792.60 and 430,244,812 is: 593,812,160.94
Step by Step Solution
- Step 1: Write the proportion equation
743,337,962.74 : 1,025,934,792.60 = 430,244,812 : x - Step 2: Convert to fraction form
743,337,962.74/1,025,934,792.60 = 430,244,812/x - Step 3: Cross multiply
743,337,962.74x = 1,025,934,792.60 × 430,244,812 - Step 4: Simplify right side
743,337,962.74x = 441,403,121,966,446,016 - Step 5: Solve for x
x = 441,403,121,966,446,016/743,337,962.74 - Step 6: Final answer
x = 593,812,160.94
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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.