Finding the Fourth Proportional to 5,432,918,725.80, 8,149,378,088.70 and 5,432,918,725.80
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Solution
The fourth proportional to 5,432,918,725.80, 8,149,378,088.70 and 5,432,918,725.80 is: 8,149,378,088.70
Step by Step Solution
- Step 1: Write the proportion equation
5,432,918,725.80 : 8,149,378,088.70 = 5,432,918,725.80 : x - Step 2: Convert to fraction form
5,432,918,725.80/8,149,378,088.70 = 5,432,918,725.80/x - Step 3: Cross multiply
5,432,918,725.80x = 8,149,378,088.70 × 5,432,918,725.80 - Step 4: Simplify right side
5,432,918,725.80x = 44,274,908,821,722,447,872 - Step 5: Solve for x
x = 44,274,908,821,722,447,872/5,432,918,725.80 - Step 6: Final answer
x = 8,149,378,088.70
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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.