Finding the Fourth Proportional to 2,146,175,995.20, 3,219,263,992.80 and 2,044,139,323.20
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Solution
The fourth proportional to 2,146,175,995.20, 3,219,263,992.80 and 2,044,139,323.20 is: 3,066,208,984.80
Step by Step Solution
- Step 1: Write the proportion equation
2,146,175,995.20 : 3,219,263,992.80 = 2,044,139,323.20 : x - Step 2: Convert to fraction form
2,146,175,995.20/3,219,263,992.80 = 2,044,139,323.20/x - Step 3: Cross multiply
2,146,175,995.20x = 3,219,263,992.80 × 2,044,139,323.20 - Step 4: Simplify right side
2,146,175,995.20x = 6,580,624,119,444,322,304 - Step 5: Solve for x
x = 6,580,624,119,444,322,304/2,146,175,995.20 - Step 6: Final answer
x = 3,066,208,984.80
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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.