Finding the Fourth Proportional to 1,192,521,975.81, 1,789,148,027.48 and 610,668,195.81
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Solution
The fourth proportional to 1,192,521,975.81, 1,789,148,027.48 and 610,668,195.81 is: 916,189,236.04
Step by Step Solution
- Step 1: Write the proportion equation
1,192,521,975.81 : 1,789,148,027.48 = 610,668,195.81 : x - Step 2: Convert to fraction form
1,192,521,975.81/1,789,148,027.48 = 610,668,195.81/x - Step 3: Cross multiply
1,192,521,975.81x = 1,789,148,027.48 × 610,668,195.81 - Step 4: Simplify right side
1,192,521,975.81x = 1,092,575,797,978,231,808 - Step 5: Solve for x
x = 1,092,575,797,978,231,808/1,192,521,975.81 - Step 6: Final answer
x = 916,189,236.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.