Finding the Fourth Proportional to 220,657,036,865.76, 330,985,559,672.64 and 52,964,499,568.32
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Solution
The fourth proportional to 220,657,036,865.76, 330,985,559,672.64 and 52,964,499,568.32 is: 79,446,750,402.38
Step by Step Solution
- Step 1: Write the proportion equation
220,657,036,865.76 : 330,985,559,672.64 = 52,964,499,568.32 : x - Step 2: Convert to fraction form
220,657,036,865.76/330,985,559,672.64 = 52,964,499,568.32/x - Step 3: Cross multiply
220,657,036,865.76x = 330,985,559,672.64 × 52,964,499,568.32 - Step 4: Simplify right side
220,657,036,865.76x = 17,530,484,532,401,695,358,976 - Step 5: Solve for x
x = 17,530,484,532,401,695,358,976/220,657,036,865.76 - Step 6: Final answer
x = 79,446,750,402.38
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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.