Finding the Fourth Proportional to 1,992,992,995.68, 2,750,277,048.76 and 1,100,900,521.99
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Solution
The fourth proportional to 1,992,992,995.68, 2,750,277,048.76 and 1,100,900,521.99 is: 1,519,213,286.33
Step by Step Solution
- Step 1: Write the proportion equation
1,992,992,995.68 : 2,750,277,048.76 = 1,100,900,521.99 : x - Step 2: Convert to fraction form
1,992,992,995.68/2,750,277,048.76 = 1,100,900,521.99/x - Step 3: Cross multiply
1,992,992,995.68x = 2,750,277,048.76 × 1,100,900,521.99 - Step 4: Simplify right side
1,992,992,995.68x = 3,027,781,438,597,001,216 - Step 5: Solve for x
x = 3,027,781,438,597,001,216/1,992,992,995.68 - Step 6: Final answer
x = 1,519,213,286.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.