Finding the Fourth Proportional to 2,967,029,558.70, 4,450,544,338.05 and 756,234,998.70
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Solution
The fourth proportional to 2,967,029,558.70, 4,450,544,338.05 and 756,234,998.70 is: 1,134,352,498.05
Step by Step Solution
- Step 1: Write the proportion equation
2,967,029,558.70 : 4,450,544,338.05 = 756,234,998.70 : x - Step 2: Convert to fraction form
2,967,029,558.70/4,450,544,338.05 = 756,234,998.70/x - Step 3: Cross multiply
2,967,029,558.70x = 4,450,544,338.05 × 756,234,998.70 - Step 4: Simplify right side
2,967,029,558.70x = 3,365,657,391,699,534,336 - Step 5: Solve for x
x = 3,365,657,391,699,534,336/2,967,029,558.70 - Step 6: Final answer
x = 1,134,352,498.05
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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.