Finding the Fourth Proportional to 855,274,882.68, 1,180,279,337.76 and 464,134,306.68
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Solution
The fourth proportional to 855,274,882.68, 1,180,279,337.76 and 464,134,306.68 is: 640,505,343.03
Step by Step Solution
- Step 1: Write the proportion equation
855,274,882.68 : 1,180,279,337.76 = 464,134,306.68 : x - Step 2: Convert to fraction form
855,274,882.68/1,180,279,337.76 = 464,134,306.68/x - Step 3: Cross multiply
855,274,882.68x = 1,180,279,337.76 × 464,134,306.68 - Step 4: Simplify right side
855,274,882.68x = 547,808,132,119,967,168 - Step 5: Solve for x
x = 547,808,132,119,967,168/855,274,882.68 - Step 6: Final answer
x = 640,505,343.03
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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.