Finding the Fourth Proportional to 1,761,239,581.76, 2,643,773,723.51 and 712,699,596.99
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Solution
The fourth proportional to 1,761,239,581.76, 2,643,773,723.51 and 712,699,596.99 is: 1,069,824,052.78
Step by Step Solution
- Step 1: Write the proportion equation
1,761,239,581.76 : 2,643,773,723.51 = 712,699,596.99 : x - Step 2: Convert to fraction form
1,761,239,581.76/2,643,773,723.51 = 712,699,596.99/x - Step 3: Cross multiply
1,761,239,581.76x = 2,643,773,723.51 × 712,699,596.99 - Step 4: Simplify right side
1,761,239,581.76x = 1,884,216,467,274,765,312 - Step 5: Solve for x
x = 1,884,216,467,274,765,312/1,761,239,581.76 - Step 6: Final answer
x = 1,069,824,052.78
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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.