Finding the Fourth Proportional to 2,839,987,115.46, 3,919,571,551.44 and 1,634,303,583.59
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Solution
The fourth proportional to 2,839,987,115.46, 3,919,571,551.44 and 1,634,303,583.59 is: 2,255,562,991.03
Step by Step Solution
- Step 1: Write the proportion equation
2,839,987,115.46 : 3,919,571,551.44 = 1,634,303,583.59 : x - Step 2: Convert to fraction form
2,839,987,115.46/3,919,571,551.44 = 1,634,303,583.59/x - Step 3: Cross multiply
2,839,987,115.46x = 3,919,571,551.44 × 1,634,303,583.59 - Step 4: Simplify right side
2,839,987,115.46x = 6,405,769,832,636,210,176 - Step 5: Solve for x
x = 6,405,769,832,636,210,176/2,839,987,115.46 - Step 6: Final answer
x = 2,255,562,991.03
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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.