Finding the Fourth Proportional to 614,163,512,946.99, 921,370,916,519.91 and 211,194,649,461.51
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Solution
The fourth proportional to 614,163,512,946.99, 921,370,916,519.91 and 211,194,649,461.51 is: 316,835,180,919.07
Step by Step Solution
- Step 1: Write the proportion equation
614,163,512,946.99 : 921,370,916,519.91 = 211,194,649,461.51 : x - Step 2: Convert to fraction form
614,163,512,946.99/921,370,916,519.91 = 211,194,649,461.51/x - Step 3: Cross multiply
614,163,512,946.99x = 921,370,916,519.91 × 211,194,649,461.51 - Step 4: Simplify right side
614,163,512,946.99x = 194,588,607,738,452,591,509,504 - Step 5: Solve for x
x = 194,588,607,738,452,591,509,504/614,163,512,946.99 - Step 6: Final answer
x = 316,835,180,919.07
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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.