Finding the Fourth Proportional to 1,821,744,089.20, 2,732,616,133.80 and 903,414,041.20
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Solution
The fourth proportional to 1,821,744,089.20, 2,732,616,133.80 and 903,414,041.20 is: 1,355,121,061.80
Step by Step Solution
- Step 1: Write the proportion equation
1,821,744,089.20 : 2,732,616,133.80 = 903,414,041.20 : x - Step 2: Convert to fraction form
1,821,744,089.20/2,732,616,133.80 = 903,414,041.20/x - Step 3: Cross multiply
1,821,744,089.20x = 2,732,616,133.80 × 903,414,041.20 - Step 4: Simplify right side
1,821,744,089.20x = 2,468,683,784,484,578,304 - Step 5: Solve for x
x = 2,468,683,784,484,578,304/1,821,744,089.20 - Step 6: Final answer
x = 1,355,121,061.80
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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.