Finding the Fourth Proportional to 7,680,484,903.20, 11,520,727,354.80 and 5,745,567,271.20
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Solution
The fourth proportional to 7,680,484,903.20, 11,520,727,354.80 and 5,745,567,271.20 is: 8,618,350,906.80
Step by Step Solution
- Step 1: Write the proportion equation
7,680,484,903.20 : 11,520,727,354.80 = 5,745,567,271.20 : x - Step 2: Convert to fraction form
7,680,484,903.20/11,520,727,354.80 = 5,745,567,271.20/x - Step 3: Cross multiply
7,680,484,903.20x = 11,520,727,354.80 × 5,745,567,271.20 - Step 4: Simplify right side
7,680,484,903.20x = 66,193,114,030,157,422,592 - Step 5: Solve for x
x = 66,193,114,030,157,422,592/7,680,484,903.20 - Step 6: Final answer
x = 8,618,350,906.80
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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.