Finding the Fourth Proportional to 16,998,596,560.80, 25,497,894,841.20 and 13,447,720,375.20
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Solution
The fourth proportional to 16,998,596,560.80, 25,497,894,841.20 and 13,447,720,375.20 is: 20,171,580,562.80
Step by Step Solution
- Step 1: Write the proportion equation
16,998,596,560.80 : 25,497,894,841.20 = 13,447,720,375.20 : x - Step 2: Convert to fraction form
16,998,596,560.80/25,497,894,841.20 = 13,447,720,375.20/x - Step 3: Cross multiply
16,998,596,560.80x = 25,497,894,841.20 × 13,447,720,375.20 - Step 4: Simplify right side
16,998,596,560.80x = 342,888,559,980,712,230,912 - Step 5: Solve for x
x = 342,888,559,980,712,230,912/16,998,596,560.80 - Step 6: Final answer
x = 20,171,580,562.80
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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.