Finding the Fourth Proportional to 8,990,467,684.48, 13,490,351,471.45 and 6,523,666,381.81
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Solution
The fourth proportional to 8,990,467,684.48, 13,490,351,471.45 and 6,523,666,381.81 is: 9,788,873,667.28
Step by Step Solution
- Step 1: Write the proportion equation
8,990,467,684.48 : 13,490,351,471.45 = 6,523,666,381.81 : x - Step 2: Convert to fraction form
8,990,467,684.48/13,490,351,471.45 = 6,523,666,381.81/x - Step 3: Cross multiply
8,990,467,684.48x = 13,490,351,471.45 × 6,523,666,381.81 - Step 4: Simplify right side
8,990,467,684.48x = 88,006,552,373,099,446,272 - Step 5: Solve for x
x = 88,006,552,373,099,446,272/8,990,467,684.48 - Step 6: Final answer
x = 9,788,873,667.28
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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.