Finding the Fourth Proportional to 2,011,936,903.44, 2,776,473,060.20 and 1,119,844,485.20
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Solution
The fourth proportional to 2,011,936,903.44, 2,776,473,060.20 and 1,119,844,485.20 is: 1,545,385,463.86
Step by Step Solution
- Step 1: Write the proportion equation
2,011,936,903.44 : 2,776,473,060.20 = 1,119,844,485.20 : x - Step 2: Convert to fraction form
2,011,936,903.44/2,776,473,060.20 = 1,119,844,485.20/x - Step 3: Cross multiply
2,011,936,903.44x = 2,776,473,060.20 × 1,119,844,485.20 - Step 4: Simplify right side
2,011,936,903.44x = 3,109,218,044,771,337,728 - Step 5: Solve for x
x = 3,109,218,044,771,337,728/2,011,936,903.44 - Step 6: Final answer
x = 1,545,385,463.86
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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.