Finding the Fourth Proportional to 9,491,235,981.42, 14,239,618,375.83 and 4,249,618,368.24
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Solution
The fourth proportional to 9,491,235,981.42, 14,239,618,375.83 and 4,249,618,368.24 is: 6,375,665,290.08
Step by Step Solution
- Step 1: Write the proportion equation
9,491,235,981.42 : 14,239,618,375.83 = 4,249,618,368.24 : x - Step 2: Convert to fraction form
9,491,235,981.42/14,239,618,375.83 = 4,249,618,368.24/x - Step 3: Cross multiply
9,491,235,981.42x = 14,239,618,375.83 × 4,249,618,368.24 - Step 4: Simplify right side
9,491,235,981.42x = 60,512,943,806,654,996,480 - Step 5: Solve for x
x = 60,512,943,806,654,996,480/9,491,235,981.42 - Step 6: Final answer
x = 6,375,665,290.08
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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.