Finding the Fourth Proportional to 7,100,763,920.80, 10,651,145,881.20 and 2,963,176,871.20
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Solution
The fourth proportional to 7,100,763,920.80, 10,651,145,881.20 and 2,963,176,871.20 is: 4,444,765,306.80
Step by Step Solution
- Step 1: Write the proportion equation
7,100,763,920.80 : 10,651,145,881.20 = 2,963,176,871.20 : x - Step 2: Convert to fraction form
7,100,763,920.80/10,651,145,881.20 = 2,963,176,871.20/x - Step 3: Cross multiply
7,100,763,920.80x = 10,651,145,881.20 × 2,963,176,871.20 - Step 4: Simplify right side
7,100,763,920.80x = 31,561,229,126,948,982,784 - Step 5: Solve for x
x = 31,561,229,126,948,982,784/7,100,763,920.80 - Step 6: Final answer
x = 4,444,765,306.80
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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.