Finding the Fourth Proportional to 1,171,146,177.36, 1,756,723,372.16 and 297,747,639.76
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Solution
The fourth proportional to 1,171,146,177.36, 1,756,723,372.16 and 297,747,639.76 is: 446,622,503.56
Step by Step Solution
- Step 1: Write the proportion equation
1,171,146,177.36 : 1,756,723,372.16 = 297,747,639.76 : x - Step 2: Convert to fraction form
1,171,146,177.36/1,756,723,372.16 = 297,747,639.76/x - Step 3: Cross multiply
1,171,146,177.36x = 1,756,723,372.16 × 297,747,639.76 - Step 4: Simplify right side
1,171,146,177.36x = 523,060,237,771,868,096 - Step 5: Solve for x
x = 523,060,237,771,868,096/1,171,146,177.36 - Step 6: Final answer
x = 446,622,503.56
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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.