Finding the Fourth Proportional to 1,666,255,129.74, 2,499,798,817.53 and 1,175,926,060.44
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Solution
The fourth proportional to 1,666,255,129.74, 2,499,798,817.53 and 1,175,926,060.44 is: 1,764,182,761.05
Step by Step Solution
- Step 1: Write the proportion equation
1,666,255,129.74 : 2,499,798,817.53 = 1,175,926,060.44 : x - Step 2: Convert to fraction form
1,666,255,129.74/2,499,798,817.53 = 1,175,926,060.44/x - Step 3: Cross multiply
1,666,255,129.74x = 2,499,798,817.53 × 1,175,926,060.44 - Step 4: Simplify right side
1,666,255,129.74x = 2,939,578,575,390,623,744 - Step 5: Solve for x
x = 2,939,578,575,390,623,744/1,666,255,129.74 - Step 6: Final answer
x = 1,764,182,761.05
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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.