Finding the Fourth Proportional to 915,556,757.68, 1,263,715,298.88 and 598,010,269.84
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Solution
The fourth proportional to 915,556,757.68, 1,263,715,298.88 and 598,010,269.84 is: 825,415,486.86
Step by Step Solution
- Step 1: Write the proportion equation
915,556,757.68 : 1,263,715,298.88 = 598,010,269.84 : x - Step 2: Convert to fraction form
915,556,757.68/1,263,715,298.88 = 598,010,269.84/x - Step 3: Cross multiply
915,556,757.68x = 1,263,715,298.88 × 598,010,269.84 - Step 4: Simplify right side
915,556,757.68x = 755,714,726,884,165,120 - Step 5: Solve for x
x = 755,714,726,884,165,120/915,556,757.68 - Step 6: Final answer
x = 825,415,486.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.