Finding the Fourth Proportional to 1,536,083,620.24, 2,119,800,979.92 and 831,235,528.48
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Solution
The fourth proportional to 1,536,083,620.24, 2,119,800,979.92 and 831,235,528.48 is: 1,147,108,051.02
Step by Step Solution
- Step 1: Write the proportion equation
1,536,083,620.24 : 2,119,800,979.92 = 831,235,528.48 : x - Step 2: Convert to fraction form
1,536,083,620.24/2,119,800,979.92 = 831,235,528.48/x - Step 3: Cross multiply
1,536,083,620.24x = 2,119,800,979.92 × 831,235,528.48 - Step 4: Simplify right side
1,536,083,620.24x = 1,762,053,887,816,223,232 - Step 5: Solve for x
x = 1,762,053,887,816,223,232/1,536,083,620.24 - Step 6: Final answer
x = 1,147,108,051.02
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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.