Finding the Fourth Proportional to 582,413,974.13, 803,198,981.18 and 455,271,449.73
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Solution
The fourth proportional to 582,413,974.13, 803,198,981.18 and 455,271,449.73 is: 627,858,500.70
Step by Step Solution
- Step 1: Write the proportion equation
582,413,974.13 : 803,198,981.18 = 455,271,449.73 : x - Step 2: Convert to fraction form
582,413,974.13/803,198,981.18 = 455,271,449.73/x - Step 3: Cross multiply
582,413,974.13x = 803,198,981.18 × 455,271,449.73 - Step 4: Simplify right side
582,413,974.13x = 365,673,564,581,201,216 - Step 5: Solve for x
x = 365,673,564,581,201,216/582,413,974.13 - Step 6: Final answer
x = 627,858,500.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.