Finding the Fourth Proportional to 6,132,954,212.85, 8,463,460,085.02 and 3,420,224,962.99
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Solution
The fourth proportional to 6,132,954,212.85, 8,463,460,085.02 and 3,420,224,962.99 is: 4,719,901,119.66
Step by Step Solution
- Step 1: Write the proportion equation
6,132,954,212.85 : 8,463,460,085.02 = 3,420,224,962.99 : x - Step 2: Convert to fraction form
6,132,954,212.85/8,463,460,085.02 = 3,420,224,962.99/x - Step 3: Cross multiply
6,132,954,212.85x = 8,463,460,085.02 × 3,420,224,962.99 - Step 4: Simplify right side
6,132,954,212.85x = 28,946,937,456,025,165,824 - Step 5: Solve for x
x = 28,946,937,456,025,165,824/6,132,954,212.85 - Step 6: Final answer
x = 4,719,901,119.66
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1.5x scale
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.