Finding the Fourth Proportional to 720,697,691.07, 1,079,300,790.99 and 498,747,093.94
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Solution
The fourth proportional to 720,697,691.07, 1,079,300,790.99 and 498,747,093.94 is: 746,912,526.10
Step by Step Solution
- Step 1: Write the proportion equation
720,697,691.07 : 1,079,300,790.99 = 498,747,093.94 : x - Step 2: Convert to fraction form
720,697,691.07/1,079,300,790.99 = 498,747,093.94/x - Step 3: Cross multiply
720,697,691.07x = 1,079,300,790.99 × 498,747,093.94 - Step 4: Simplify right side
720,697,691.07x = 538,298,132,994,121,344 - Step 5: Solve for x
x = 538,298,132,994,121,344/720,697,691.07 - Step 6: Final answer
x = 746,912,526.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.