Finding the Fourth Proportional to 815,508,750.18, 1,223,263,125.26 and 815,508,750.18
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Solution
The fourth proportional to 815,508,750.18, 1,223,263,125.26 and 815,508,750.18 is: 1,223,263,125.26
Step by Step Solution
- Step 1: Write the proportion equation
815,508,750.18 : 1,223,263,125.26 = 815,508,750.18 : x - Step 2: Convert to fraction form
815,508,750.18/1,223,263,125.26 = 815,508,750.18/x - Step 3: Cross multiply
815,508,750.18x = 1,223,263,125.26 × 815,508,750.18 - Step 4: Simplify right side
815,508,750.18x = 997,581,782,422,063,360 - Step 5: Solve for x
x = 997,581,782,422,063,360/815,508,750.18 - Step 6: Final answer
x = 1,223,263,125.26
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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.