Finding the Fourth Proportional to 757,805,890.05, 1,136,708,835.08 and 757,805,890.05
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Solution
The fourth proportional to 757,805,890.05, 1,136,708,835.08 and 757,805,890.05 is: 1,136,708,835.08
Step by Step Solution
- Step 1: Write the proportion equation
757,805,890.05 : 1,136,708,835.08 = 757,805,890.05 : x - Step 2: Convert to fraction form
757,805,890.05/1,136,708,835.08 = 757,805,890.05/x - Step 3: Cross multiply
757,805,890.05x = 1,136,708,835.08 × 757,805,890.05 - Step 4: Simplify right side
757,805,890.05x = 861,404,650,491,709,056 - Step 5: Solve for x
x = 861,404,650,491,709,056/757,805,890.05 - Step 6: Final answer
x = 1,136,708,835.08
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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.