Finding the Fourth Proportional to 13,304,352,615.48, 18,358,750,697.58 and 7,950,847,162.68
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Solution
The fourth proportional to 13,304,352,615.48, 18,358,750,697.58 and 7,950,847,162.68 is: 10,971,418,535.94
Step by Step Solution
- Step 1: Write the proportion equation
13,304,352,615.48 : 18,358,750,697.58 = 7,950,847,162.68 : x - Step 2: Convert to fraction form
13,304,352,615.48/18,358,750,697.58 = 7,950,847,162.68/x - Step 3: Cross multiply
13,304,352,615.48x = 18,358,750,697.58 × 7,950,847,162.68 - Step 4: Simplify right side
13,304,352,615.48x = 145,967,620,894,203,428,864 - Step 5: Solve for x
x = 145,967,620,894,203,428,864/13,304,352,615.48 - Step 6: Final answer
x = 10,971,418,535.94
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1.5x scale
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.