Finding the Fourth Proportional to 465,718,482.20, 698,577,723.30 and 396,471,719.90
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Solution
The fourth proportional to 465,718,482.20, 698,577,723.30 and 396,471,719.90 is: 594,707,579.85
Step by Step Solution
- Step 1: Write the proportion equation
465,718,482.20 : 698,577,723.30 = 396,471,719.90 : x - Step 2: Convert to fraction form
465,718,482.20/698,577,723.30 = 396,471,719.90/x - Step 3: Cross multiply
465,718,482.20x = 698,577,723.30 × 396,471,719.90 - Step 4: Simplify right side
465,718,482.20x = 276,966,311,440,577,280 - Step 5: Solve for x
x = 276,966,311,440,577,280/465,718,482.20 - Step 6: Final answer
x = 594,707,579.85
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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.