Finding the Fourth Proportional to 1,353,157,649.60, 2,029,960,423.20 and 577,175,057.60
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Solution
The fourth proportional to 1,353,157,649.60, 2,029,960,423.20 and 577,175,057.60 is: 865,858,109.39
Step by Step Solution
- Step 1: Write the proportion equation
1,353,157,649.60 : 2,029,960,423.20 = 577,175,057.60 : x - Step 2: Convert to fraction form
1,353,157,649.60/2,029,960,423.20 = 577,175,057.60/x - Step 3: Cross multiply
1,353,157,649.60x = 2,029,960,423.20 × 577,175,057.60 - Step 4: Simplify right side
1,353,157,649.60x = 1,171,642,524,186,180,352 - Step 5: Solve for x
x = 1,171,642,524,186,180,352/1,353,157,649.60 - Step 6: Final answer
x = 865,858,109.39
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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.