Finding the Fourth Proportional to 1,231,294,412,728.40, 1,847,249,247,535 and 868,967,527,120.36
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Solution
The fourth proportional to 1,231,294,412,728.40, 1,847,249,247,535 and 868,967,527,120.36 is: 1,303,668,394,830.53
Step by Step Solution
- Step 1: Write the proportion equation
1,231,294,412,728.40 : 1,847,249,247,535 = 868,967,527,120.36 : x - Step 2: Convert to fraction form
1,231,294,412,728.40/1,847,249,247,535 = 868,967,527,120.36/x - Step 3: Cross multiply
1,231,294,412,728.40x = 1,847,249,247,535 × 868,967,527,120.36 - Step 4: Simplify right side
1,231,294,412,728.40x = 1,605,199,610,605,434,681,950,208 - Step 5: Solve for x
x = 1,605,199,610,605,434,681,950,208/1,231,294,412,728.40 - Step 6: Final answer
x = 1,303,668,394,830.53
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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.