Finding the Fourth Proportional to 1,331,799,510.70, 1,997,699,266.05 and 349,224,150.70
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Solution
The fourth proportional to 1,331,799,510.70, 1,997,699,266.05 and 349,224,150.70 is: 523,836,226.05
Step by Step Solution
- Step 1: Write the proportion equation
1,331,799,510.70 : 1,997,699,266.05 = 349,224,150.70 : x - Step 2: Convert to fraction form
1,331,799,510.70/1,997,699,266.05 = 349,224,150.70/x - Step 3: Cross multiply
1,331,799,510.70x = 1,997,699,266.05 × 349,224,150.70 - Step 4: Simplify right side
1,331,799,510.70x = 697,644,829,540,324,608 - Step 5: Solve for x
x = 697,644,829,540,324,608/1,331,799,510.70 - Step 6: Final answer
x = 523,836,226.05
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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.