Finding the Fourth Proportional to 7,558,304,813.80, 11,337,457,220.70 and 3,884,984,621.80
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Solution
The fourth proportional to 7,558,304,813.80, 11,337,457,220.70 and 3,884,984,621.80 is: 5,827,476,932.70
Step by Step Solution
- Step 1: Write the proportion equation
7,558,304,813.80 : 11,337,457,220.70 = 3,884,984,621.80 : x - Step 2: Convert to fraction form
7,558,304,813.80/11,337,457,220.70 = 3,884,984,621.80/x - Step 3: Cross multiply
7,558,304,813.80x = 11,337,457,220.70 × 3,884,984,621.80 - Step 4: Simplify right side
7,558,304,813.80x = 44,045,846,952,734,875,648 - Step 5: Solve for x
x = 44,045,846,952,734,875,648/7,558,304,813.80 - Step 6: Final answer
x = 5,827,476,932.70
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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.