Finding the Fourth Proportional to 407,297,346.56, 562,071,793.92 and 221,660,587.52
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Solution
The fourth proportional to 407,297,346.56, 562,071,793.92 and 221,660,587.52 is: 305,892,402.99
Step by Step Solution
- Step 1: Write the proportion equation
407,297,346.56 : 562,071,793.92 = 221,660,587.52 : x - Step 2: Convert to fraction form
407,297,346.56/562,071,793.92 = 221,660,587.52/x - Step 3: Cross multiply
407,297,346.56x = 562,071,793.92 × 221,660,587.52 - Step 4: Simplify right side
407,297,346.56x = 124,589,164,068,727,568 - Step 5: Solve for x
x = 124,589,164,068,727,568/407,297,346.56 - Step 6: Final answer
x = 305,892,402.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.