Finding the Fourth Proportional to 8,170,228,905.80, 12,255,343,358.70 and 8,170,228,905.80
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Solution
The fourth proportional to 8,170,228,905.80, 12,255,343,358.70 and 8,170,228,905.80 is: 12,255,343,358.70
Step by Step Solution
- Step 1: Write the proportion equation
8,170,228,905.80 : 12,255,343,358.70 = 8,170,228,905.80 : x - Step 2: Convert to fraction form
8,170,228,905.80/12,255,343,358.70 = 8,170,228,905.80/x - Step 3: Cross multiply
8,170,228,905.80x = 12,255,343,358.70 × 8,170,228,905.80 - Step 4: Simplify right side
8,170,228,905.80x = 100,128,960,559,754,805,248 - Step 5: Solve for x
x = 100,128,960,559,754,805,248/8,170,228,905.80 - Step 6: Final answer
x = 12,255,343,358.70
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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.