Finding the Fourth Proportional to 7,873,220,166.10, 11,811,530,860.35 and 2,353,036,210.90
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Solution
The fourth proportional to 7,873,220,166.10, 11,811,530,860.35 and 2,353,036,210.90 is: 3,530,062,570.87
Step by Step Solution
- Step 1: Write the proportion equation
7,873,220,166.10 : 11,811,530,860.35 = 2,353,036,210.90 : x - Step 2: Convert to fraction form
7,873,220,166.10/11,811,530,860.35 = 2,353,036,210.90/x - Step 3: Cross multiply
7,873,220,166.10x = 11,811,530,860.35 × 2,353,036,210.90 - Step 4: Simplify right side
7,873,220,166.10x = 27,792,959,820,566,384,640 - Step 5: Solve for x
x = 27,792,959,820,566,384,640/7,873,220,166.10 - Step 6: Final answer
x = 3,530,062,570.87
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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.