Finding the Fourth Proportional to 1,672,526,537.28, 2,508,785,308.80 and 623,240,853.84
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Solution
The fourth proportional to 1,672,526,537.28, 2,508,785,308.80 and 623,240,853.84 is: 934,859,604.98
Step by Step Solution
- Step 1: Write the proportion equation
1,672,526,537.28 : 2,508,785,308.80 = 623,240,853.84 : x - Step 2: Convert to fraction form
1,672,526,537.28/2,508,785,308.80 = 623,240,853.84/x - Step 3: Cross multiply
1,672,526,537.28x = 2,508,785,308.80 × 623,240,853.84 - Step 4: Simplify right side
1,672,526,537.28x = 1,563,577,497,957,760,256 - Step 5: Solve for x
x = 1,563,577,497,957,760,256/1,672,526,537.28 - Step 6: Final answer
x = 934,859,604.98
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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.