Finding the Fourth Proportional to 1,796,952,977.83, 2,479,923,430.98 and 993,163,183.84
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Solution
The fourth proportional to 1,796,952,977.83, 2,479,923,430.98 and 993,163,183.84 is: 1,370,636,116.12
Step by Step Solution
- Step 1: Write the proportion equation
1,796,952,977.83 : 2,479,923,430.98 = 993,163,183.84 : x - Step 2: Convert to fraction form
1,796,952,977.83/2,479,923,430.98 = 993,163,183.84/x - Step 3: Cross multiply
1,796,952,977.83x = 2,479,923,430.98 × 993,163,183.84 - Step 4: Simplify right side
1,796,952,977.83x = 2,462,968,650,385,313,280 - Step 5: Solve for x
x = 2,462,968,650,385,313,280/1,796,952,977.83 - Step 6: Final answer
x = 1,370,636,116.12
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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.