Finding the Fourth Proportional to 1,027,658,962.24, 1,418,170,695.84 and 557,760,229.76
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Solution
The fourth proportional to 1,027,658,962.24, 1,418,170,695.84 and 557,760,229.76 is: 769,709,837.81
Step by Step Solution
- Step 1: Write the proportion equation
1,027,658,962.24 : 1,418,170,695.84 = 557,760,229.76 : x - Step 2: Convert to fraction form
1,027,658,962.24/1,418,170,695.84 = 557,760,229.76/x - Step 3: Cross multiply
1,027,658,962.24x = 1,418,170,695.84 × 557,760,229.76 - Step 4: Simplify right side
1,027,658,962.24x = 790,999,213,150,617,472 - Step 5: Solve for x
x = 790,999,213,150,617,472/1,027,658,962.24 - Step 6: Final answer
x = 769,709,837.81
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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.