Finding the Fourth Proportional to 2,975,352,331.56, 4,463,674,198.14 and 905,020,285.08
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Solution
The fourth proportional to 2,975,352,331.56, 4,463,674,198.14 and 905,020,285.08 is: 1,357,726,832.03
Step by Step Solution
- Step 1: Write the proportion equation
2,975,352,331.56 : 4,463,674,198.14 = 905,020,285.08 : x - Step 2: Convert to fraction form
2,975,352,331.56/4,463,674,198.14 = 905,020,285.08/x - Step 3: Cross multiply
2,975,352,331.56x = 4,463,674,198.14 × 905,020,285.08 - Step 4: Simplify right side
2,975,352,331.56x = 4,039,715,695,304,903,680 - Step 5: Solve for x
x = 4,039,715,695,304,903,680/2,975,352,331.56 - Step 6: Final answer
x = 1,357,726,832.03
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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.