Finding the Fourth Proportional to 250,711,332,762.55, 376,125,096,370.05 and 71,639,651,864.47
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Solution
The fourth proportional to 250,711,332,762.55, 376,125,096,370.05 and 71,639,651,864.47 is: 107,476,078,821.54
Step by Step Solution
- Step 1: Write the proportion equation
250,711,332,762.55 : 376,125,096,370.05 = 71,639,651,864.47 : x - Step 2: Convert to fraction form
250,711,332,762.55/376,125,096,370.05 = 71,639,651,864.47/x - Step 3: Cross multiply
250,711,332,762.55x = 376,125,096,370.05 × 71,639,651,864.47 - Step 4: Simplify right side
250,711,332,762.55x = 26,945,470,961,440,612,417,536 - Step 5: Solve for x
x = 26,945,470,961,440,612,417,536/250,711,332,762.55 - Step 6: Final answer
x = 107,476,078,821.54
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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.