Finding the Fourth Proportional to 1,231,294,412,733.70, 1,847,249,247,543.20 and 868,967,527,125.72
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Solution
The fourth proportional to 1,231,294,412,733.70, 1,847,249,247,543.20 and 868,967,527,125.72 is: 1,303,668,394,838.75
Step by Step Solution
- Step 1: Write the proportion equation
1,231,294,412,733.70 : 1,847,249,247,543.20 = 868,967,527,125.72 : x - Step 2: Convert to fraction form
1,231,294,412,733.70/1,847,249,247,543.20 = 868,967,527,125.72/x - Step 3: Cross multiply
1,231,294,412,733.70x = 1,847,249,247,543.20 × 868,967,527,125.72 - Step 4: Simplify right side
1,231,294,412,733.70x = 1,605,199,610,622,461,274,488,832 - Step 5: Solve for x
x = 1,605,199,610,622,461,274,488,832/1,231,294,412,733.70 - Step 6: Final answer
x = 1,303,668,394,838.75
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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.