Finding the Fourth Proportional to 1,494,926,854.90, 2,243,193,387.63 and 622,129,952.50
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Solution
The fourth proportional to 1,494,926,854.90, 2,243,193,387.63 and 622,129,952.50 is: 933,529,149.68
Step by Step Solution
- Step 1: Write the proportion equation
1,494,926,854.90 : 2,243,193,387.63 = 622,129,952.50 : x - Step 2: Convert to fraction form
1,494,926,854.90/2,243,193,387.63 = 622,129,952.50/x - Step 3: Cross multiply
1,494,926,854.90x = 2,243,193,387.63 × 622,129,952.50 - Step 4: Simplify right side
1,494,926,854.90x = 1,395,557,795,694,566,144 - Step 5: Solve for x
x = 1,395,557,795,694,566,144/1,494,926,854.90 - Step 6: Final answer
x = 933,529,149.68
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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.