Finding the Fourth Proportional to 5,038,860,143.80, 7,558,290,215.70 and 2,458,969,967.80
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Solution
The fourth proportional to 5,038,860,143.80, 7,558,290,215.70 and 2,458,969,967.80 is: 3,688,454,951.70
Step by Step Solution
- Step 1: Write the proportion equation
5,038,860,143.80 : 7,558,290,215.70 = 2,458,969,967.80 : x - Step 2: Convert to fraction form
5,038,860,143.80/7,558,290,215.70 = 2,458,969,967.80/x - Step 3: Cross multiply
5,038,860,143.80x = 7,558,290,215.70 × 2,458,969,967.80 - Step 4: Simplify right side
5,038,860,143.80x = 18,585,608,648,322,883,584 - Step 5: Solve for x
x = 18,585,608,648,322,883,584/5,038,860,143.80 - Step 6: Final answer
x = 3,688,454,951.70
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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.