Finding the Fourth Proportional to 465,718,184.20, 698,577,276.30 and 396,471,421.90
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Solution
The fourth proportional to 465,718,184.20, 698,577,276.30 and 396,471,421.90 is: 594,707,132.85
Step by Step Solution
- Step 1: Write the proportion equation
465,718,184.20 : 698,577,276.30 = 396,471,421.90 : x - Step 2: Convert to fraction form
465,718,184.20/698,577,276.30 = 396,471,421.90/x - Step 3: Cross multiply
465,718,184.20x = 698,577,276.30 × 396,471,421.90 - Step 4: Simplify right side
465,718,184.20x = 276,965,926,041,690,144 - Step 5: Solve for x
x = 276,965,926,041,690,144/465,718,184.20 - Step 6: Final answer
x = 594,707,132.85
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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.