Finding the Fourth Proportional to 7,953,319,769.88, 11,931,205,477.56 and 2,711,702,157.12
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Solution
The fourth proportional to 7,953,319,769.88, 11,931,205,477.56 and 2,711,702,157.12 is: 4,067,971,182.68
Step by Step Solution
- Step 1: Write the proportion equation
7,953,319,769.88 : 11,931,205,477.56 = 2,711,702,157.12 : x - Step 2: Convert to fraction form
7,953,319,769.88/11,931,205,477.56 = 2,711,702,157.12/x - Step 3: Cross multiply
7,953,319,769.88x = 11,931,205,477.56 × 2,711,702,157.12 - Step 4: Simplify right side
7,953,319,769.88x = 32,353,875,630,541,410,304 - Step 5: Solve for x
x = 32,353,875,630,541,410,304/7,953,319,769.88 - Step 6: Final answer
x = 4,067,971,182.68
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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.