Finding the Fourth Proportional to 5,680,643,539.20, 8,520,965,308.80 and 4,303,148,467.20
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Solution
The fourth proportional to 5,680,643,539.20, 8,520,965,308.80 and 4,303,148,467.20 is: 6,454,722,700.80
Step by Step Solution
- Step 1: Write the proportion equation
5,680,643,539.20 : 8,520,965,308.80 = 4,303,148,467.20 : x - Step 2: Convert to fraction form
5,680,643,539.20/8,520,965,308.80 = 4,303,148,467.20/x - Step 3: Cross multiply
5,680,643,539.20x = 8,520,965,308.80 × 4,303,148,467.20 - Step 4: Simplify right side
5,680,643,539.20x = 36,666,978,807,627,091,968 - Step 5: Solve for x
x = 36,666,978,807,627,091,968/5,680,643,539.20 - Step 6: Final answer
x = 6,454,722,700.80
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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.