Finding the Fourth Proportional to 479,786,784.09, 719,680,174.92 and 116,281,140.09
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Solution
The fourth proportional to 479,786,784.09, 719,680,174.92 and 116,281,140.09 is: 174,421,709.84
Step by Step Solution
- Step 1: Write the proportion equation
479,786,784.09 : 719,680,174.92 = 116,281,140.09 : x - Step 2: Convert to fraction form
479,786,784.09/719,680,174.92 = 116,281,140.09/x - Step 3: Cross multiply
479,786,784.09x = 719,680,174.92 × 116,281,140.09 - Step 4: Simplify right side
479,786,784.09x = 83,685,231,239,868,224 - Step 5: Solve for x
x = 83,685,231,239,868,224/479,786,784.09 - Step 6: Final answer
x = 174,421,709.84
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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.