Finding the Fourth Proportional to 4,384,390,609.80, 6,576,585,914.70 and 1,112,839,813.80
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Solution
The fourth proportional to 4,384,390,609.80, 6,576,585,914.70 and 1,112,839,813.80 is: 1,669,259,720.70
Step by Step Solution
- Step 1: Write the proportion equation
4,384,390,609.80 : 6,576,585,914.70 = 1,112,839,813.80 : x - Step 2: Convert to fraction form
4,384,390,609.80/6,576,585,914.70 = 1,112,839,813.80/x - Step 3: Cross multiply
4,384,390,609.80x = 6,576,585,914.70 × 1,112,839,813.80 - Step 4: Simplify right side
4,384,390,609.80x = 7,318,686,644,754,450,432 - Step 5: Solve for x
x = 7,318,686,644,754,450,432/4,384,390,609.80 - Step 6: Final answer
x = 1,669,259,720.70
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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.