Finding the Fourth Proportional to 2,621,106,895.69, 3,931,660,376.29 and 629,148,949.68
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Solution
The fourth proportional to 2,621,106,895.69, 3,931,660,376.29 and 629,148,949.68 is: 943,723,432.39
Step by Step Solution
- Step 1: Write the proportion equation
2,621,106,895.69 : 3,931,660,376.29 = 629,148,949.68 : x - Step 2: Convert to fraction form
2,621,106,895.69/3,931,660,376.29 = 629,148,949.68/x - Step 3: Cross multiply
2,621,106,895.69x = 3,931,660,376.29 × 629,148,949.68 - Step 4: Simplify right side
2,621,106,895.69x = 2,473,599,996,256,888,832 - Step 5: Solve for x
x = 2,473,599,996,256,888,832/2,621,106,895.69 - Step 6: Final answer
x = 943,723,432.39
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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.