Finding the Fourth Proportional to 7,524,235,621.61, 11,290,754,475.47 and 2,805,817,272.30
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Solution
The fourth proportional to 7,524,235,621.61, 11,290,754,475.47 and 2,805,817,272.30 is: 4,210,367,074.84
Step by Step Solution
- Step 1: Write the proportion equation
7,524,235,621.61 : 11,290,754,475.47 = 2,805,817,272.30 : x - Step 2: Convert to fraction form
7,524,235,621.61/11,290,754,475.47 = 2,805,817,272.30/x - Step 3: Cross multiply
7,524,235,621.61x = 11,290,754,475.47 × 2,805,817,272.30 - Step 4: Simplify right side
7,524,235,621.61x = 31,679,793,924,550,836,224 - Step 5: Solve for x
x = 31,679,793,924,550,836,224/7,524,235,621.61 - Step 6: Final answer
x = 4,210,367,074.84
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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.