Finding the Fourth Proportional to 1,981,882,140.96, 2,735,007,988.08 and 1,089,866,388
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Solution
The fourth proportional to 1,981,882,140.96, 2,735,007,988.08 and 1,089,866,388 is: 1,504,021,462.99
Step by Step Solution
- Step 1: Write the proportion equation
1,981,882,140.96 : 2,735,007,988.08 = 1,089,866,388 : x - Step 2: Convert to fraction form
1,981,882,140.96/2,735,007,988.08 = 1,089,866,388/x - Step 3: Cross multiply
1,981,882,140.96x = 2,735,007,988.08 × 1,089,866,388 - Step 4: Simplify right side
1,981,882,140.96x = 2,980,793,277,119,896,576 - Step 5: Solve for x
x = 2,980,793,277,119,896,576/1,981,882,140.96 - Step 6: Final answer
x = 1,504,021,462.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.