Finding the Fourth Proportional to 574,313,653.80, 861,470,480.70 and 561,559,069.80
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Solution
The fourth proportional to 574,313,653.80, 861,470,480.70 and 561,559,069.80 is: 842,338,604.70
Step by Step Solution
- Step 1: Write the proportion equation
574,313,653.80 : 861,470,480.70 = 561,559,069.80 : x - Step 2: Convert to fraction form
574,313,653.80/861,470,480.70 = 561,559,069.80/x - Step 3: Cross multiply
574,313,653.80x = 861,470,480.70 × 561,559,069.80 - Step 4: Simplify right side
574,313,653.80x = 483,766,561,802,050,816 - Step 5: Solve for x
x = 483,766,561,802,050,816/574,313,653.80 - Step 6: Final answer
x = 842,338,604.70
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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.