Finding the Fourth Proportional to 298,576,680,503.28, 448,183,734,360.36 and 128,680,114,110.70
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Solution
The fourth proportional to 298,576,680,503.28, 448,183,734,360.36 and 128,680,114,110.70 is: 193,157,529,860.80
Step by Step Solution
- Step 1: Write the proportion equation
298,576,680,503.28 : 448,183,734,360.36 = 128,680,114,110.70 : x - Step 2: Convert to fraction form
298,576,680,503.28/448,183,734,360.36 = 128,680,114,110.70/x - Step 3: Cross multiply
298,576,680,503.28x = 448,183,734,360.36 × 128,680,114,110.70 - Step 4: Simplify right side
298,576,680,503.28x = 57,672,334,080,050,781,487,104 - Step 5: Solve for x
x = 57,672,334,080,050,781,487,104/298,576,680,503.28 - Step 6: Final answer
x = 193,157,529,860.80
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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.