Finding the Fourth Proportional to 47,121,690,664.14, 70,682,070,199.25 and 21,588,596,478.55
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Solution
The fourth proportional to 47,121,690,664.14, 70,682,070,199.25 and 21,588,596,478.55 is: 32,382,681,314.99
Step by Step Solution
- Step 1: Write the proportion equation
47,121,690,664.14 : 70,682,070,199.25 = 21,588,596,478.55 : x - Step 2: Convert to fraction form
47,121,690,664.14/70,682,070,199.25 = 21,588,596,478.55/x - Step 3: Cross multiply
47,121,690,664.14x = 70,682,070,199.25 × 21,588,596,478.55 - Step 4: Simplify right side
47,121,690,664.14x = 1,525,926,691,800,152,276,992 - Step 5: Solve for x
x = 1,525,926,691,800,152,276,992/47,121,690,664.14 - Step 6: Final answer
x = 32,382,681,314.99
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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.