Finding the Fourth Proportional to 4,546,774,717.80, 6,820,162,076.70 and 2,587,670,615.40
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Solution
The fourth proportional to 4,546,774,717.80, 6,820,162,076.70 and 2,587,670,615.40 is: 3,881,505,923.10
Step by Step Solution
- Step 1: Write the proportion equation
4,546,774,717.80 : 6,820,162,076.70 = 2,587,670,615.40 : x - Step 2: Convert to fraction form
4,546,774,717.80/6,820,162,076.70 = 2,587,670,615.40/x - Step 3: Cross multiply
4,546,774,717.80x = 6,820,162,076.70 × 2,587,670,615.40 - Step 4: Simplify right side
4,546,774,717.80x = 17,648,332,998,142,031,872 - Step 5: Solve for x
x = 17,648,332,998,142,031,872/4,546,774,717.80 - Step 6: Final answer
x = 3,881,505,923.10
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1.5x scale
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.