Finding the Fourth Proportional to 12,110,202,378.30, 18,165,303,567.45 and 12,110,202,378.30
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Solution
The fourth proportional to 12,110,202,378.30, 18,165,303,567.45 and 12,110,202,378.30 is: 18,165,303,567.45
Step by Step Solution
- Step 1: Write the proportion equation
12,110,202,378.30 : 18,165,303,567.45 = 12,110,202,378.30 : x - Step 2: Convert to fraction form
12,110,202,378.30/18,165,303,567.45 = 12,110,202,378.30/x - Step 3: Cross multiply
12,110,202,378.30x = 18,165,303,567.45 × 12,110,202,378.30 - Step 4: Simplify right side
12,110,202,378.30x = 219,985,502,465,074,462,720 - Step 5: Solve for x
x = 219,985,502,465,074,462,720/12,110,202,378.30 - Step 6: Final answer
x = 18,165,303,567.45
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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.