Finding the Fourth Proportional to 1,982,798,375.44, 2,973,566,562.06 and 654,579,108.92
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Solution
The fourth proportional to 1,982,798,375.44, 2,973,566,562.06 and 654,579,108.92 is: 981,660,351.66
Step by Step Solution
- Step 1: Write the proportion equation
1,982,798,375.44 : 2,973,566,562.06 = 654,579,108.92 : x - Step 2: Convert to fraction form
1,982,798,375.44/2,973,566,562.06 = 654,579,108.92/x - Step 3: Cross multiply
1,982,798,375.44x = 2,973,566,562.06 × 654,579,108.92 - Step 4: Simplify right side
1,982,798,375.44x = 1,946,434,550,507,542,528 - Step 5: Solve for x
x = 1,946,434,550,507,542,528/1,982,798,375.44 - Step 6: Final answer
x = 981,660,351.66
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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.