Finding the Fourth Proportional to 777,213,526.10, 1,165,073,793.15 and 449,352,482.90
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Solution
The fourth proportional to 777,213,526.10, 1,165,073,793.15 and 449,352,482.90 is: 673,597,131.46
Step by Step Solution
- Step 1: Write the proportion equation
777,213,526.10 : 1,165,073,793.15 = 449,352,482.90 : x - Step 2: Convert to fraction form
777,213,526.10/1,165,073,793.15 = 449,352,482.90/x - Step 3: Cross multiply
777,213,526.10x = 1,165,073,793.15 × 449,352,482.90 - Step 4: Simplify right side
777,213,526.10x = 523,528,801,713,673,536 - Step 5: Solve for x
x = 523,528,801,713,673,536/777,213,526.10 - Step 6: Final answer
x = 673,597,131.46
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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.