Finding the Fourth Proportional to 1,928,614,810.47, 2,892,612,306.63 and 529,272,198.96
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Solution
The fourth proportional to 1,928,614,810.47, 2,892,612,306.63 and 529,272,198.96 is: 793,823,249.70
Step by Step Solution
- Step 1: Write the proportion equation
1,928,614,810.47 : 2,892,612,306.63 = 529,272,198.96 : x - Step 2: Convert to fraction form
1,928,614,810.47/2,892,612,306.63 = 529,272,198.96/x - Step 3: Cross multiply
1,928,614,810.47x = 2,892,612,306.63 × 529,272,198.96 - Step 4: Simplify right side
1,928,614,810.47x = 1,530,979,276,268,817,920 - Step 5: Solve for x
x = 1,530,979,276,268,817,920/1,928,614,810.47 - Step 6: Final answer
x = 793,823,249.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.