Finding the Fourth Proportional to 1,197,562,889.61, 1,652,017,765.17 and 757,784,833.29
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Solution
The fourth proportional to 1,197,562,889.61, 1,652,017,765.17 and 757,784,833.29 is: 1,045,351,369.55
Step by Step Solution
- Step 1: Write the proportion equation
1,197,562,889.61 : 1,652,017,765.17 = 757,784,833.29 : x - Step 2: Convert to fraction form
1,197,562,889.61/1,652,017,765.17 = 757,784,833.29/x - Step 3: Cross multiply
1,197,562,889.61x = 1,652,017,765.17 × 757,784,833.29 - Step 4: Simplify right side
1,197,562,889.61x = 1,251,874,006,771,466,752 - Step 5: Solve for x
x = 1,251,874,006,771,466,752/1,197,562,889.61 - Step 6: Final answer
x = 1,045,351,369.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.