Finding the Fourth Proportional to 708,620,464.80, 1,062,930,697.20 and 524,954,455.20
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Solution
The fourth proportional to 708,620,464.80, 1,062,930,697.20 and 524,954,455.20 is: 787,431,682.80
Step by Step Solution
- Step 1: Write the proportion equation
708,620,464.80 : 1,062,930,697.20 = 524,954,455.20 : x - Step 2: Convert to fraction form
708,620,464.80/1,062,930,697.20 = 524,954,455.20/x - Step 3: Cross multiply
708,620,464.80x = 1,062,930,697.20 × 524,954,455.20 - Step 4: Simplify right side
708,620,464.80x = 557,990,205,063,982,208 - Step 5: Solve for x
x = 557,990,205,063,982,208/708,620,464.80 - Step 6: Final answer
x = 787,431,682.80
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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.