Finding the Fourth Proportional to 1,777,517,705, 2,452,999,756.74 and 1,024,815,990.44
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Solution
The fourth proportional to 1,777,517,705, 2,452,999,756.74 and 1,024,815,990.44 is: 1,414,260,667.10
Step by Step Solution
- Step 1: Write the proportion equation
1,777,517,705 : 2,452,999,756.74 = 1,024,815,990.44 : x - Step 2: Convert to fraction form
1,777,517,705/2,452,999,756.74 = 1,024,815,990.44/x - Step 3: Cross multiply
1,777,517,705x = 2,452,999,756.74 × 1,024,815,990.44 - Step 4: Simplify right side
1,777,517,705x = 2,513,873,375,252,581,888 - Step 5: Solve for x
x = 2,513,873,375,252,581,888/1,777,517,705 - Step 6: Final answer
x = 1,414,260,667.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.