Finding the Fourth Proportional to 18,217,851,455.30, 27,326,777,182.95 and 10,865,164,453.70
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Solution
The fourth proportional to 18,217,851,455.30, 27,326,777,182.95 and 10,865,164,453.70 is: 16,297,746,680.55
Step by Step Solution
- Step 1: Write the proportion equation
18,217,851,455.30 : 27,326,777,182.95 = 10,865,164,453.70 : x - Step 2: Convert to fraction form
18,217,851,455.30/27,326,777,182.95 = 10,865,164,453.70/x - Step 3: Cross multiply
18,217,851,455.30x = 27,326,777,182.95 × 10,865,164,453.70 - Step 4: Simplify right side
18,217,851,455.30x = 296,909,928,082,368,561,152 - Step 5: Solve for x
x = 296,909,928,082,368,561,152/18,217,851,455.30 - Step 6: Final answer
x = 16,297,746,680.55
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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.