Finding the Fourth Proportional to 14,971,575,277.53, 20,660,778,762.44 and 8,197,823,142.99
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Solution
The fourth proportional to 14,971,575,277.53, 20,660,778,762.44 and 8,197,823,142.99 is: 11,312,998,609.11
Step by Step Solution
- Step 1: Write the proportion equation
14,971,575,277.53 : 20,660,778,762.44 = 8,197,823,142.99 : x - Step 2: Convert to fraction form
14,971,575,277.53/20,660,778,762.44 = 8,197,823,142.99/x - Step 3: Cross multiply
14,971,575,277.53x = 20,660,778,762.44 × 8,197,823,142.99 - Step 4: Simplify right side
14,971,575,277.53x = 169,373,410,290,894,143,488 - Step 5: Solve for x
x = 169,373,410,290,894,143,488/14,971,575,277.53 - Step 6: Final answer
x = 11,312,998,609.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.