Finding the Fourth Proportional to 2,119,770,823.20, 3,179,656,234.80 and 1,539,295,533.60
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Solution
The fourth proportional to 2,119,770,823.20, 3,179,656,234.80 and 1,539,295,533.60 is: 2,308,943,300.40
Step by Step Solution
- Step 1: Write the proportion equation
2,119,770,823.20 : 3,179,656,234.80 = 1,539,295,533.60 : x - Step 2: Convert to fraction form
2,119,770,823.20/3,179,656,234.80 = 1,539,295,533.60/x - Step 3: Cross multiply
2,119,770,823.20x = 3,179,656,234.80 × 1,539,295,533.60 - Step 4: Simplify right side
2,119,770,823.20x = 4,894,430,640,611,033,088 - Step 5: Solve for x
x = 4,894,430,640,611,033,088/2,119,770,823.20 - Step 6: Final answer
x = 2,308,943,300.40
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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.