Finding the Fourth Proportional to 1,574,642,701.80, 2,361,964,052.70 and 483,984,052.20
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Solution
The fourth proportional to 1,574,642,701.80, 2,361,964,052.70 and 483,984,052.20 is: 725,976,078.30
Step by Step Solution
- Step 1: Write the proportion equation
1,574,642,701.80 : 2,361,964,052.70 = 483,984,052.20 : x - Step 2: Convert to fraction form
1,574,642,701.80/2,361,964,052.70 = 483,984,052.20/x - Step 3: Cross multiply
1,574,642,701.80x = 2,361,964,052.70 × 483,984,052.20 - Step 4: Simplify right side
1,574,642,701.80x = 1,143,152,933,376,480,256 - Step 5: Solve for x
x = 1,143,152,933,376,480,256/1,574,642,701.80 - Step 6: Final answer
x = 725,976,078.30
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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.