Finding the Fourth Proportional to 823,531,518.01, 1,235,294,582.63 and 298,899,920.68
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Solution
The fourth proportional to 823,531,518.01, 1,235,294,582.63 and 298,899,920.68 is: 448,348,903.09
Step by Step Solution
- Step 1: Write the proportion equation
823,531,518.01 : 1,235,294,582.63 = 298,899,920.68 : x - Step 2: Convert to fraction form
823,531,518.01/1,235,294,582.63 = 298,899,920.68/x - Step 3: Cross multiply
823,531,518.01x = 1,235,294,582.63 × 298,899,920.68 - Step 4: Simplify right side
823,531,518.01x = 369,229,452,761,631,808 - Step 5: Solve for x
x = 369,229,452,761,631,808/823,531,518.01 - Step 6: Final answer
x = 448,348,903.09
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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.