Finding the Fourth Proportional to 1,319,397,753.24, 1,820,790,731.79 and 724,737,187.98
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Solution
The fourth proportional to 1,319,397,753.24, 1,820,790,731.79 and 724,737,187.98 is: 1,000,149,311.77
Step by Step Solution
- Step 1: Write the proportion equation
1,319,397,753.24 : 1,820,790,731.79 = 724,737,187.98 : x - Step 2: Convert to fraction form
1,319,397,753.24/1,820,790,731.79 = 724,737,187.98/x - Step 3: Cross multiply
1,319,397,753.24x = 1,820,790,731.79 × 724,737,187.98 - Step 4: Simplify right side
1,319,397,753.24x = 1,319,594,754,857,530,880 - Step 5: Solve for x
x = 1,319,594,754,857,530,880/1,319,397,753.24 - Step 6: Final answer
x = 1,000,149,311.77
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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.