Finding the Fourth Proportional to 7,768,272,034.80, 11,652,408,052.20 and 6,870,349,321.20
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Solution
The fourth proportional to 7,768,272,034.80, 11,652,408,052.20 and 6,870,349,321.20 is: 10,305,523,981.80
Step by Step Solution
- Step 1: Write the proportion equation
7,768,272,034.80 : 11,652,408,052.20 = 6,870,349,321.20 : x - Step 2: Convert to fraction form
7,768,272,034.80/11,652,408,052.20 = 6,870,349,321.20/x - Step 3: Cross multiply
7,768,272,034.80x = 11,652,408,052.20 × 6,870,349,321.20 - Step 4: Simplify right side
7,768,272,034.80x = 80,056,113,751,777,689,600 - Step 5: Solve for x
x = 80,056,113,751,777,689,600/7,768,272,034.80 - Step 6: Final answer
x = 10,305,523,981.80
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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.