Finding the Fourth Proportional to 606,254,809.68, 836,626,768.74 and 351,959,764.68
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Solution
The fourth proportional to 606,254,809.68, 836,626,768.74 and 351,959,764.68 is: 485,701,648.79
Step by Step Solution
- Step 1: Write the proportion equation
606,254,809.68 : 836,626,768.74 = 351,959,764.68 : x - Step 2: Convert to fraction form
606,254,809.68/836,626,768.74 = 351,959,764.68/x - Step 3: Cross multiply
606,254,809.68x = 836,626,768.74 × 351,959,764.68 - Step 4: Simplify right side
606,254,809.68x = 294,458,960,650,719,168 - Step 5: Solve for x
x = 294,458,960,650,719,168/606,254,809.68 - Step 6: Final answer
x = 485,701,648.79
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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.