Finding the Fourth Proportional to 2,165,639,500.05, 3,248,075,257.01 and 984,943,424.18
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Solution
The fourth proportional to 2,165,639,500.05, 3,248,075,257.01 and 984,943,424.18 is: 1,477,240,494.35
Step by Step Solution
- Step 1: Write the proportion equation
2,165,639,500.05 : 3,248,075,257.01 = 984,943,424.18 : x - Step 2: Convert to fraction form
2,165,639,500.05/3,248,075,257.01 = 984,943,424.18/x - Step 3: Cross multiply
2,165,639,500.05x = 3,248,075,257.01 × 984,943,424.18 - Step 4: Simplify right side
2,165,639,500.05x = 3,199,170,365,633,762,816 - Step 5: Solve for x
x = 3,199,170,365,633,762,816/2,165,639,500.05 - Step 6: Final answer
x = 1,477,240,494.35
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1.5x scale
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.