Finding the Fourth Proportional to 653,212,898.17, 901,432,221.26 and 355,857,583.81
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Solution
The fourth proportional to 653,212,898.17, 901,432,221.26 and 355,857,583.81 is: 491,082,605.87
Step by Step Solution
- Step 1: Write the proportion equation
653,212,898.17 : 901,432,221.26 = 355,857,583.81 : x - Step 2: Convert to fraction form
653,212,898.17/901,432,221.26 = 355,857,583.81/x - Step 3: Cross multiply
653,212,898.17x = 901,432,221.26 × 355,857,583.81 - Step 4: Simplify right side
653,212,898.17x = 320,781,492,224,285,632 - Step 5: Solve for x
x = 320,781,492,224,285,632/653,212,898.17 - Step 6: Final answer
x = 491,082,605.87
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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.