Finding the Fourth Proportional to 814,519,566.73, 1,124,599,358.52 and 762,480,864.01
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Solution
The fourth proportional to 814,519,566.73, 1,124,599,358.52 and 762,480,864.01 is: 1,052,750,020.47
Step by Step Solution
- Step 1: Write the proportion equation
814,519,566.73 : 1,124,599,358.52 = 762,480,864.01 : x - Step 2: Convert to fraction form
814,519,566.73/1,124,599,358.52 = 762,480,864.01/x - Step 3: Cross multiply
814,519,566.73x = 1,124,599,358.52 × 762,480,864.01 - Step 4: Simplify right side
814,519,566.73x = 857,485,490,539,986,048 - Step 5: Solve for x
x = 857,485,490,539,986,048/814,519,566.73 - Step 6: Final answer
x = 1,052,750,020.47
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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.