Finding the Fourth Proportional to 406,846,508.06, 561,444,235.17 and 221,207,523.74
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Solution
The fourth proportional to 406,846,508.06, 561,444,235.17 and 221,207,523.74 is: 305,264,237.30
Step by Step Solution
- Step 1: Write the proportion equation
406,846,508.06 : 561,444,235.17 = 221,207,523.74 : x - Step 2: Convert to fraction form
406,846,508.06/561,444,235.17 = 221,207,523.74/x - Step 3: Cross multiply
406,846,508.06x = 561,444,235.17 × 221,207,523.74 - Step 4: Simplify right side
406,846,508.06x = 124,195,688,981,457,520 - Step 5: Solve for x
x = 124,195,688,981,457,520/406,846,508.06 - Step 6: Final answer
x = 305,264,237.30
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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.