Finding the Fourth Proportional to 798,960,800.76, 1,198,441,201.14 and 224,532,128.76
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Solution
The fourth proportional to 798,960,800.76, 1,198,441,201.14 and 224,532,128.76 is: 336,798,193.14
Step by Step Solution
- Step 1: Write the proportion equation
798,960,800.76 : 1,198,441,201.14 = 224,532,128.76 : x - Step 2: Convert to fraction form
798,960,800.76/1,198,441,201.14 = 224,532,128.76/x - Step 3: Cross multiply
798,960,800.76x = 1,198,441,201.14 × 224,532,128.76 - Step 4: Simplify right side
798,960,800.76x = 269,088,554,085,655,552 - Step 5: Solve for x
x = 269,088,554,085,655,552/798,960,800.76 - Step 6: Final answer
x = 336,798,193.14
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Double scale
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Similar ratio
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1.5x scale
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.